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cardiovascular test
Question | Answer |
---|---|
a group of organs whose main function is to collect extra fluid from cells and return it to the blood is the ______________________ | lymphatic system |
the lymphatic system helps your body to fight ________________ | pathogens |
the smallest lymph vessels are called __________________ | lymph cappilaries |
why are some particles NOT absorbed by blood vessels? | these particles are too large to enter blood capillaries |
fluid and particles collected by lymphatic vessels and nodes are called __________ | lymph |
where does lymph drain? | the large neck veins of the cardiovascular system |
where are most red and white blood cells produced? | bone marrow |
special white blood cells that fight pathogens are called _______________ | lymphocytes |
small oval masses of lymphatic tissue found in lymphatic vessels are called ________ _________ | lymph nodes |
what do nodes do? | remove pathogens and dead cells from lymph |
what do killer T cells do? | destroy pathogens |
what do B cells do? | produce antibodies |
the main glad of the lymphatic system is the __________ | thymus |
the thymus glad produces __ _______ that are ready to fight infection | T cells |
the largest organ in the lymphatic system is the __________ | spleen |
the lymphatic tissues at the back of the mouth are called _______________ | tonsils |
tonsils help defend the body against _______________ | infection |
cardiovascular system | a collection of organs that transport blood throughout the body |
artery | a blood vessel that carries blood away from the heart to the body's organs |
capillary | a tiny blood vessel that allows an exchange between blood and cells in other tissue |
vein | a vessel that carries blood to the heart |
pulmonary circulation | the flow of blood from the heart to lungs and back to the heart through the pulmonary arteries, capillaries, and veins |
systematic circulation | the flow of blood from the heart to all parts of the body and back to the heart |
blood pressure | the force |