Answer:
Gases, food nutrients, water, and wastes pass back and forth between body cells and the bloodstream across the thin walls of capillaries.
Explanation:
Women should consume 2000 calories a day and men should eat 2500 calories a day
Answer:
some of the most essencial vitamins are A, C, D, E, K, and the B vitamins: thiamin (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxal (B6), cobalamin (B12), biotin, and folate/folic acid. some of the most essencial vitamins are calcium, chloride, magnesium, phosphorus, potassium, sodium, and sulfur.
I think its like the boss or the person who asigns docters to paitants
All of the above
some people aren’t as fit as others, and older people may not be able to do the stuff that younger people can