Exercising causing . increase ldl and hdl levelsb. increase ldl levelsc. increase hdl levelsd. decrease hdl levels

letter b is correct

im sorry if im wrong but i am on k12 so different answers might be correct for different people

hey there!

so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

hope this

tobey

answer: 4

explanation: 8