Term
| What are the 4 functions of the circulatory system? |
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Definition
1. Carries food (nutrients), oxygen and water to the body cells.
2. Removes waste from body cells.
3. Helps body keep the right temperature.
4. Fights diseases and infection and carries chemicals. |
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Term
| How much blood do most people have in their body? |
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Definition
| Most people have about 12 pints of blood in their body. |
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Term
| How much blood can you lose and still survive? |
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Definition
| We can lose 1 1/2 to 2 liters of our blood and still survives. |
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Term
| What are the 4 basic parts of blood? |
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Definition
1.plasma
2. Red blood cells
3.white blood cells
4. Platelets |
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Term
| What is plasma? What materials make up the plasma? |
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Definition
Plasma is the liquid part of the blood.
Water makes up 90% of plasma in addition to salt and other chemicals. |
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Term
| What are 2 functions of plasma? |
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Definition
1. Plasma carries dissolved food to the body cells
2. Carries wastes from the cells. |
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Term
| What structures can be found in the plasma? |
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Definition
All parts of blood are found in the blood's plasma.
1.Red blood cells
2. white blood cells
3. platelets |
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Term
| What are the functions of the red blood cells? |
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Definition
Red blood cells are responsible for
- carrying oxygen to all cells in the body
-picking up carbon dioxide waste |
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Term
| Where are the red blood cells made and how long do red blood cells live? |
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Definition
| Red blood cells are made in the bone marrow and live for about 100 to 120 days. |
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Term
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Definition
| A special protein contained in red blood cells that helps attract oxygen. |
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Term
| What color is hemoglobin when it combines with oxygen compared to when it's not combined with oxygen? |
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Definition
| When combined with oxygen hemoglobin turns the blood bright red when it's not it is very dark red. |
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Term
| Where are white blood cells made? |
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Definition
| White blood cells are made on the spleen and lymph nodes. |
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Term
| What are the functions of white blood cells? |
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Definition
| White blood cells destroy germs and make antibodies which are special chemicals that fight off specific diseases in your body. |
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Term
| Where are platelets formed? What is the function of platelets? |
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Definition
| Platelets are formed from one cells in your bone morrow and help clot your blood. |
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Term
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Definition
| A special protein produces by platelets that trap cells to make a blood clot. When the blood clot dries, it makes a scab. |
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