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What do the vains do in the body?
Veins are blood vessels that carry deoxygenated blood back to the heart. They have one-way valves to prevent the backflow of blood and help transport waste products and nutrients throughout the body. Additionally, veins help regulate blood pressure and maintain proper circulation.
What are two main kinds of cells in blood?
The two main kinds of cells in blood are red blood cells, which transport oxygen throughout the body, and white blood cells, which help the body fight infection and disease.
What are the functions of the heart blood and vessels?
The heart pumps oxygenated blood to all parts of the body through the vessels, delivering nutrients and removing waste products. The blood vessels, including arteries, veins, and capillaries, help transport blood around the body and maintain blood pressure. Together, the heart, blood, and vessels work to support the body's circulation and maintain essential functions.
What is the function of the three blood cells and the plasma?
Red blood cells carry oxygen to the body’s tissues; white blood cells are part of the immune system and help defend the body against infections; platelets help with blood clotting. Plasma carries nutrients, hormones, and proteins throughout the body and helps maintain blood pressure and pH balance.
What are some important questions to ask about the circulatory system?
Some important questions to ask about the circulatory system include: How does the heart pump blood throughout the body? What are the different components of blood and their functions? How do blood vessels help transport nutrients and oxygen to cells? How does the circulatory system help regulate body temperature and maintain homeostasis?
