your heart and blood vessels make up this system.
a blood vessel that carries blood away from the heart.
a tiny blood vessel that allows these exchanges between body cells and blood.
a blood vessel that carries blood back to the heart.
the circulation of blood between your heart and lungs.
the circulation of blood between the heart and the rest of the body.
a connective tissue made up of plasma, red blood cells, white blood cells, and platelets.
the force exerted by blood on the inside walls of arteries.
the group of organs and tissues that collect excess fluid and return it to your blood. This system also helps fight pathogens.
the fluid and particles absorbed into lymph capillaries.
small, bean shaped masses of tissue that remove pathogens and dead cells from lymph.
the gland that produces T cells that are ready to fight infection.
stores and produces lymphocytes.
lymphatic tissue in the nasal cavity and at the back of the mouth on either side of the tongue.
the process by which a body gets and uses oxygen and releases carbon dioxide and water.
group of organs that take in oxygen and get rid of carbon dioxide.
part of the throat that contains the vocal cords.
also known as the throat.
also known as the windpipe.
two branches split from the trachea that connect to each lung.
tiny air sacs of the lungs where oxygen and carbon dioxide are exchanged.