Humans have what type of circulatory system

Photosynthesis converts light energy to chemical energy. which molecules are the end product of this transformation of energy in this reaction?

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.

What molecule contains an organisms genetic material, passed down from parents to their offspring