Drag each label to the correct location. Match each organ or function with its body system. lungs heart pumps blood respiration provides oxygen to the blood arteries

Astructural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of: a) smooth muscle b) skeletal muscle c) respiratory cilia d) rings of cartilage

Sweat glands that cause orders during puberty are present in the body from the time of brith

Which is the lipid molecule that controls what types of molecules can pass though?