Saturated fats are the bad type of fat. Saturated fat raises the levels of blood cholesterol and can clots arteries. It is found in animal products such as beef, pork, chicken, milk, ice crème, and cheese. Trans fats are also artery clogging fats, and are just as bad as saturated fats. They are created through hydrogenation, a process that turns liquid fat into solids like margarine or shortening. Unsaturated fats are the healthy fats. Unsaturated fats can be found in avocados, canola oil, flaxseed oil, fatty fish such as salmon or mackerel, nuts, and seeds. (Neporent …show more content…
The easiest is the aerobic zone, where the heart and lungs are able to deliver enough oxygen to the muscles to keep them functioning. The hardest, which is the anaerobic, zone is where the muscle cannot get enough oxygen. In between these two is called the threshold zone, which is marked by a rapid accumulation of lactate in the blood as the muscles begin to cope with insufficient oxygen. How much time needed to spend in each zone depends on the goals and preferences, but a good guideline is to aim for 70 percent aerobic, 20 percent threshold, and 10 percent anaerobic. (Hutchinson