which best describes the function of the digestive system?
a) digest food and eliminate waste
b) get nutrients from food
c) break down food into glucose, amino acids, fatty acids, reabsorb needed water, and eliminate waste
d) eliminate urea and drug metabolites in urine
C?
which best describes the function of the respiratory system?
a) provides for passive exchange of oxygen and co2 in the alveoli of the lung
b) mechanism for breathing
3) bring co2 and o2 into the lungs
4) provides the body with needed oxygen
a)?
1 answer