True. Lactic acid is caused by strenuous exercise. The lactic acid is formed because while working out, you don't receive as much oxygen.
Answer:
Have fun but also get done what needs to be done.
Explanation:
You want give yourself the best opportunity in the future so study but also have fun with your friends, crack some jokes, laugh and enjoy it while you can
Blood exchanges carbon dioxide for oxygen in the C.) Alveoli.
The signs of protein deficiency include:
•hunger- protein is needed to promote signals of satiety(fullness) to the brain and stabilize blood sugar
•depression
•fatigue- lack in protein can lead to both muscle fatigue and brain fatigue
•hair loss- both collagen and keratin are the main components of hair and both of these products are made of amino acids from protein
•slow recovery from injuries- protein is needed to heal and rebuild cells
