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Ch.3 Circulation

The cardiovascular system is also known as the circulatory system
the cardiovascular system consists of the heart, blood vessels, and blood.
The cardiovascular system does what? carries needed substances to cells and carries waste products away from cells
the heart is a ... muscle that pumps ... throughout the ... hollow, blood, body
the right side of your heart is completely seperated by the left side by a wall of tissue called the ... septum
Each side of the heart contains ... compartments or chambers. An ... chamber and a ... chamber 2, upper, lower
the 2 upper chambers are called ... atriums
the 2 lower chambers are called... ventricles
a ... is a flap of tissue that prevents blood from flowing backward valve
... are blood vessels that carry blood away from the heart arteries
blood flows into tiny, narrow vessels called... capillaries
in capillaries, substances are exchanged between the ... and ... cells blood, body
blood that vessels carry back to the heart is called... veins
in the ... loop, blood travels from the heart to the lungs and then back to the heart. first
in the ... loop, blood is puped from the heart throughout the body and then returns again to the heart. second
what is the largest artery in the body? aorta
when blood exerts a force against the walls of blood vessels its called? blood pressure
blood pressure is caused by... the force with which the ventricles contract
the farther away from the ventricle the blood moves, the ... its force is lower
how can you measure blood pressure? with an sphygmomanometer
blood pressure is expressed in ... of ... millimeters, mercury
blood pressure is recorded in .. numbers two
... pressure over .... pressure (its a fraction) contraction, relaxation
blood is made of 4 components: plasma, red blood cells, white blood cells, and platelets
... is the liquid part of the blood plasma
... .... cells take up oxygen in the lungs and deliver it to cells elsewhere in the body red blood cells
a red blood cell is made mostly of ... hemoglobin
hemoglobin is an iron containing protein that binds chemically to oxygen molecules
........... fight diseases white blood cells
name 3 things about what is different between white and red blood cells there is fewer white cells than red, white cells are larger than red, whiite blood cells live longer than red
... are fragments that play an important part in forming blood clots platelts
The Rh factor is determined by the marker on the red blood cell. if ur marker is Rh positive u have the marker, if ur Rh negative, you lack the marker
after bathing ur cells, the fluid is moved into ur drainaged system called the lymphatic system
the lymphatic system is a is a network of veinlike vessels that returns the fluid to the bloodstream
once the fluid is inside the lymphatic system, it is called a lymph
lymph contains water and glucose and some white blood cells
as lymph flows thro the system, it passes through a small knob of tissue called lymph nodes
the lymph nodes filter ... , trapping ... in the fluid lymph, bacteria
when the body is fighting an infection, the lymph nodes ... enlarge or swell
Created by: MeganRe