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Central Sci Ch 19
Chapter 19 Science review sheet
| Question | Answer |
|---|---|
| Transports materials to and from your cells. | Cardiovascular system |
| Made of three parts heart, blood and blood vessels. | Cardiovascular system |
| Body contains 5 liters(L). | blood |
| Made of cell, cell parts and plasma(the fluid part of the blood). | blood |
| Most abundant cells in the body. | red blood cells |
| Contains Iron(Fe) and O2 bonds to the FE. | red blood cells |
| b/c. they are flat there is more surface area to carry more O2. | red blood cells |
| Made in bone marrow. | red blood cells |
| Contain hemoglobin which makes cells red and transport oxygen(O2). | red blood cells |
| Destroy pathogens-bacteria, viruses and other microscopic particles that make you sick. | white blood cells |
| Some engulf pathogens. | white blood cells |
| Some release antibodies which destroy pathogens. | white blood cells |
| Some engulf body cells that are dead or damaged. | white blood cells |
| Made in bone marrow. | white blood cells |
| If the cells are lacking in iron not as much of this will be transported in the body. | oxygen |
| Only live 5 – 10 days. | platelets |
| Clump together when there is a cut less blood is lost. | platelets |
| Size of your fist. | heart |
| Pumps oxygen poor blood to the lungs and oxygen rich blood to the body. | Heart |
| Upper chambers of the heart. | Atrium |
| Lower chambers of the heart. | Ventricle- |
| Located between atria and ventricles; prevent blood from going backwards. | valves |
| Receives blood from the body. | Atrium |
| Push blood out to the body. | Ventricles |
| ______ side of heart receives blood low in O2 and high in CO2. | Right |
| ______side of heart receives blood high in O2 and low in CO2. | Left |
| Hollow tubes that transports blood. | blood vessels |
| Direct blood away from the heart and to the body. | arteries |
| Blood vessels with thicker walls. | arteries |
| Smallest blood vessels in the body. | capillaries |
| Cells must pass through one at a time. | capillaries |
| Direct blood back into the heart. | veins |
| Force exerted by blood on the inside walls of a blood vessel. | blood pressure |
| Normal is 120/80. | blood pressure |
| Inside large arteries when ventricles contract. | systolic pressure |
| Inside arteries when ventricles relax. | diastolic pressure |
| Chemicals on surface of RBC. | antigens |
| Chemicals in plasma that bind to antigens not found on their RBC’s. | antibodies |
| Has A antigens and B antibodies. | blood type A |
| Has B antigens and A antibodies. | blood type B |
| Has AB antigens and not antibodies. | blood type AB |
| Has no antigens and AB antibodies. | blood type O |
| Its RBC’s do not have antigens so recipients’ blood will not attack it. | Universal donor Type O |
| B/C they do not produce antibodies against any antigens on the donor’s blood cells. | Universal Recipient Type AB |
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kyky0597
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