Which of the following is NOT one of the functions of a protein? A :Helps build and repair all body tissue

b :Helps build blood

C :Helps for antibodies to fight infection

D :Supplies the body with energy at nine calories per gram

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

is this a question? wassup