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Cardiovascular Unit

Biology

QuestionAnswer
The cardiovascular system transports materials to and from where? transports materials to and from your cells
What are the 3 parts of the cardiovascular system? The heart, blood, and blood vessels
How much blood is in your body? About 5 liters
What makes up blood? Cells, cell parts, and plasma
Which cells are the most abundant in the body? Red blood cells
What does hemoglobin transport in the body? Hemoglobin transports oxygen and makes the cells red
What is the relationship between FE and O2? Red blood cells contain iron (Fe) and O2 is able to bond to the FE.
What is the relationship between the shape of RBC’s and O2? Because they are flat, there is more surface area to carry more O2
Where are red and white blood cells made? in the bone marrow
What is the relationship between pathogens and WBC’s? White blood cells destroy pathogens, which are bacteria, viruses, and other microscopic particles that make you sick
What are the four jobs of white blood cells? Some WBCs engulf pathogens Some WBCs release antibodies which destroy pathogens Some WBCs engulf body cells that are dead or damaged. Contain lysosomes
Give two characteristics of platelets? Only live 5-10 days Clump together when there is a cut so less blood is lost
What is the relationship between lack of iron, glucose and fatigue? If the body does not have enough iron (anemic), it will not be able to carry enough O2. Cells will not receive enough O2. Reactions in cells will not take place. Glucose will not be broken down fast enough. Leads to fatigue and being tired.
What is the relationship between WBC, lysosomes and pathogens? WBC’s contain more lysosomes because they are responsible for attacking and destroying pathogens (foreign particles that can cause disease.) Lysosomes contain digestive enzymes that destory pathogens.
What are antigens? chemicals on the surface of red blood cells
What are antibodies? chemicals in plasma that bind to antigens not found on their red blood cells
Describe Type A blood has A antigens and B antibodies
Describe Type B blood has B antigens and A antibodies
Describe Type AB blood has AB antigens and no antibodies
Describe Type O blood has no antigens and AB antibodies
What is a Universal Donor? Universal Donors' blood type is the type O blood type. It’s red blood cells do not have antigens so recipients’ blood will not attack it.
What is a Universal Recipient? A universal recipient is the type AB blood type. They do not produce antibodies against any antigens on the donor’s blood cells.
What are blood vessels? hollow tubes that transport blood
What are 2 characteristics of arteries? direct blood away from heart and to the body & thicker walls
What are the 2 characteristics of capillaries? Smallest blood vessels in the body & Cells must pass through one at a time
Created by: user-1810806
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