Questions and Answers
Eliminates nitrogen-containing wastes from the body; regulates water, electrolyte, and acid-base balance of the blood.
Urinary system
Breaks food down into absorbable nutrients that enter the blood for distribution to body cells; indigestible foodstuffs are eliminated as feces.
Digestive system
Keeps blood constantly supplied with oxygen and removes carbon dioxide; the gaseous exchanges occur through the walls of the air sacs of the lungs.
Respiratory system
Picks up fluid leaked from blood vessels and returns it to blood; disposes of debris in the lymphatic stream; houses white blood cells involved in immunity.
Signup and view all the answers
Allows manipulation of the environment, locomotion, and facial expression; maintains posture; produces heat.
Signup and view all the answers
Blood vessels transport blood, which carries oxygen, nutrients, hormones, carbon dioxide, wastes, etc.; the heart pumps blood.
Signup and view all the answers
Glands secrete hormones that regulate processes such as growth, reproduction, and nutrient use by body cells.
Signup and view all the answers
Fast-acting control system of the body; responds to internal and external changes by activating appropriate muscles and glands.
Signup and view all the answers
