Answer:
the main site of gas exchange is in the lungs between the alveoli and a family of really small blood vessels called capillaries. Which are placed in the walls of the alveoli.
Explanation:
I dont know if this is a true or false question but im going to go with false because anything you do that is physical is consider a exercise because you are using your body the muscles in your body to do physical things so basically doing physical activities is consider an exercise
Answer:
Three layers of tissue form the heart wall. The outer layer of the heart wall is the epicardium, the middle layer is the myocardium, and the inner layer is the endocardium.
Hope this helps! ^^
Folate is the natural form of vitamin B9 in food, while folic acid is a synthetic form. High intake of folic acid may lead to increased blood levels of unmetabolized folic acid.
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Stomach pain, Nausea, Loss of appetite Liver diseases in chronic cases