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Human Body
Circulation and Respriation
question | answer |
---|---|
cardiovascular system | consists of the heart and the three types of blood vessels that carry 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 | circulation of blood between your heart and lungs |
systemic circulation | circulation of blood between the heart and the rest of the body |
blood | the fluid that carries gases, nutrients, and wastes through the body |
blood pressure | the force that blood exerts on the walls of the arteries |
lymphatic system | a group of organs and tissues that collect the excess fluid and return it to your blood |
lymph | the fluid that is collected by the lymphatic vessels and nodes |
lymph nodes | small bean shaped masses of tissue that remove pathogens and dead cells from the lymph |
thymus | the main gland of the lymphatic system, it produces mature T lymphocytes |
spleen | the largest lymphatic organ, stores and produces lymphocytes |
tonsils | lymphatic tissue in the nasal cavity and at the back of the mouth on either side of the tongue |
respiration | the process by which a body gets and uses oxygen and releases carbon dioxide and water |
respiratory system | a collection of organs whose primary function is to take in oxygen and expel carbon dioxide |
pharynx | the passage from the mouth to the larynx and esophagus |
larynx | the area of the throat that contains the vocal cords and produces vocal sounds |
trachea | the tube that connects the larynx to the lungs |
bronchus | on of the two tubes that connect the lungs with the trachea |
alveoli | any of the tiny air sacs of the lungs where oxygen and carbon dioxide are exchanged |