Question | Answer |
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 |