Nutrients are exchanged between the blood and body cells in the is it a. capillaries. b. veins. c. aorta. d. arteries.

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.

Me.henley said, “in the rat race we call life, only the strong will survive.” he may have been referring to