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118 Cards in this Set
- Front
- Back
What are the three basic components of the circulatory system |
Heart, blood, blood vessels |
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what are the three types of blood vessels |
Arteries, capillaries, veins |
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Function of arteries |
Carry blood away from the heart |
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What are capillaries |
Smallest blood vessels. |
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The function of veins |
Carry blood to the heart |
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Function of VenULES |
Collect and drain blood into veins |
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Function of Arterioles |
Arteries that deliver blood to capillaries |
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how many layers does a blood vessel have |
3. |
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What is tunica intima composed of |
Simple squamous epithelium |
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What is tunica media composed of |
Sheets of smooth muscle |
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What is Tunica Externa composed of |
Connective tissue |
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What is the lumen |
Central blood filled space of a vessel |
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Identify A |
Tunica intima |
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Identify C |
Tunica media |
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Identify D |
Tunica externa |
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What has a thicker tunica media and a narrower lumen |
Arteries |
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What has a thicker Tunica externa |
veins |
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What has more elastic and collagen fibers |
Arteries |
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What has a larger lumens and valves |
Veins |
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What is the largest type of artery |
elastic arteries |
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what is the diameter of an elastic artery |
From 2.5 centimeters to 1 centimeter |
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What part of the heart is an elastic artery |
The aorta and its major branches |
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What are elastic arteries sometimes called |
Conducting arteries |
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Function of elastic arteries |
High elastin content dampens surge of blood pressure |
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What is the diameter of muscular arteries |
ranges from 1 centimeter to .03 millimeters |
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Muscular artery |
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In muscular arteries is the tunica media thick or thin |
thick |
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What is the unique feature of muscular arteries |
Internal and external elastic laminae |
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what are the smallest blood vessels |
capillaries |
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How do red blood cells travel through capillaries |
Single file |
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How does blood travel in and out of the capillaries |
Director fusion, |
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what is the function of capillaries lungs |
Oxygen enters blood carbon dockside leave blood |
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what Is the function of capillaries in small intestines |
Receive digested nutrients |
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Function of the capillary in the endocrine glands |
Pick up hormones |
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what is the function of capillaries in the kidneys |
removal of nitrogenous wastes |
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How many types of capillaries are there |
3 (continuous, fenestrated, sinusoids) |
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What are the three types of capillaries |
Continuous, fenestrated, sinusoids. |
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Describe a sinusoid capillary |
▶wide and leaky capillaries found in some organs. |
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Where are sinusoid capillaries found |
Bone marrow, liver, spleen, and lymphoid tissue |
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What are capillary beds |
Interconnected network of vessels running through tissues |
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What does a Capillary Bed consist of |
Collateral arteries feeding an arteriole Metarterioles Arteriovenous Anastomoses Capillaries Venules |
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what regulates the flow of blood to tissues |
Precapillary Sphincters |
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Function of Veins |
Conduct blood from capillaries toward the heart |
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In Vains, is blood pressure higher or lower than in arteries |
Blood Pressure is much lower in veins |
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what are the smallest venules called |
Postcapillary Venules |
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Venules join to form what? |
Veins |
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WHich has valves to prevent backflow of blood, Arteries or Veins |
Veins |
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what does Systemic Circulation consist of |
Blood Vessels that extend to and from the heart, delivering oxygen and nutrients to body tissues and picking up carbondioxide and waste products. |
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Ascending Aorta |
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Aortic Arch |
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Descending Aorta |
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what region can the Thoracic Aorta be found in |
the region T5-T12 |
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where does the Abdominal Aorta end |
At L4 |
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What does the Descending Aorta Divide into |
right and left Common Iliac Arteries |
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Vertebral artery |
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Internal carotid artery |
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External carotid artery |
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Common carotid artery |
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Subclavian artery |
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Axillary artery |
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What are the branches of the external carotid artery |
Superficial temporal artery, maxillary artery, occipital artery, facial artery. |
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Superficial temporal artery |
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Maxillary artery |
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Occipital artery |
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Facial artery |
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Brachiocephalic trunk |
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What is the largest artery of the body |
Aorta |
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What are the only branches of the ascending aorta |
Right and left coronary arteries |
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What is the first branch of the aortic arch |
Brachiocephalic trunk |
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The common carotid artery on each side divides to form what? |
internal and external carotid artery |
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Identify E |
Anterior Cerebral Artery |
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Within the Cranium what does each internal carotid artery divide into? |
Anterior and Middle Cerebral Arteries |
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Identify F |
Anterior Communicating Artery |
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What is the name of the short shunt that connects the Right and Left Anterior Cerebral Arteries |
Anterior Communicating Artery |
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Identify D |
Posterior Communicating Arteries |
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What arteries make up the Cerebral Arterial Circle |
Anterior Communicating Artery, Anterior Cerebral Artery, Posterior Communicating Artery, Posterior Cerebral Artery, Basilar Artery |
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function of Hepatic Portal system |
Delivers nutrients to the liver for processing |
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basilary artery |
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when vertebral arteries unite, what does that form? |
Basilary Artery |
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at the base of the cerebrum, the Basilar Artery divides to form what? |
Posterior Cerebral Artery |
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What artery runs through the Axilla, and has branches to the chest wall and shoulder girdle |
Axillary Artery |
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At eh inferior edge of the teres major muscle, what does the Axillary Artery become |
Brachial Artery |
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Brachial Artery |
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At the elbow the Brachial Artery Divides into what two arteries? |
Radial and Ulnar Arteries |
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Radial Artery |
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Ulnar Artery |
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Celiac Trunk |
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How many branches does the Celiac Trunk have? |
3 (Left Gastric Artery, Splenic Artery, Common Hepatic Artery) |
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What are the 3 branches of the Celiac Trunk |
Left Gastric Artery, Splenic Artery, Common Hepatic Artery |
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What Artery supplies the stomach |
Left Gastric Artery |
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What Artery supplies the Spleen |
Splenic Artery |
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what is the largest branch of the Abdominal Aorta |
Superior Mesenteric Artery |
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Superior Mesenteric Artery |
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what arteries supply the Kidneys |
Renal Arteries |
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Identify the artery |
Renal Artery |
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Gonadal Artery |
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Inferior Mesenteric Artery |
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Common Iliac Arteries |
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what two branches does the decending aorta divide into |
Left and Right Iliac Arteries |
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Internal Iliac Artery |
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External Iliac Artery |
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Femoral Artery |
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what does the Femoral Arteries divide into |
Lateral and Medial Plantar Arteries |
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what arteries provide blood to the sole of the feet |
Lateral and Medial Plantar Arteries |
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Common Iliac Veins |
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what Veins drain venous blood from the legs and pelvis |
Common Iliac Veins |
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The Common Iliac Veins are formed by the union of what two vains |
Internal Iliac Vein and External Iliac Vein |
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Identify D |
Anterior Tibial Vein |
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Identify number 4 |
Posterior Tibial Vein |
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Dorsalis Pedis Vein |
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The posterior tibial vein is formed by the union of what two veins. |
Medial and Lateral Plantar Veins |
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Medial Plantar Veins and Lateral Planter veins |
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Fibular Vein |
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Popliteal Vein |
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Femoral Vein |
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Great Saphenous Vein |
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what is the largest vein in the body |
Great Saphenous Vein |
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Lumbar veins |