Biology

Biology, 31.07.2019 00:00, vedros

What role do white blood cells perform in a human body?

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Biology, 24.06.2019 04:00, invocx

Blood consists of different types of cells — red blood cells, platelets, and white blood cells. red blood cells transport oxygen throughout the body, platelets aid in blood clotting, and white blood cells destroy and remove old cells and foreign substances. this is an example of how a. different cells are unable to be grouped together within the same organ or organ system. b. only similar cells are grouped together so they can perform a singular function. c. every part of the body contains different cells with unique and unrelated functions. d. the cells of the body are of different kinds and are grouped in ways that enhance how they function together.

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Biology, 30.06.2019 01:30, kutie543

If you place a drop of blood on a microscope slide and examine it with a powerful microscope, you will see many red shapes that look something like circular disks. these are red blood cells, which carry the oxygen you need throughout your body. are red blood cells the only cells in your body? a) no, blood cells and bone cells are both required. b) yes, the many types of blood cells make up your body. c) no, the human body is made of many types of tiny cells. d) yes, the human body is made entirely of red blood cells.

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Biology, 23.07.2019 12:30, HeartfeltDream12

What role do white blood cells perform in a human body? a. clotting blood b. conducting electrical impulses c. secreting enzymes d. carrying oxygen

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Biology, 31.07.2019 07:10, curlyheadnikii

Blood cells are different than nerve cells in how they look and what they do. why is this, since both of these kinds of cells are found in humans? a. blood cells started out as nerve cells but changed shape due to their location b. blood cells undergo apoptosis in order to fulfill their role in the body c. the cells have differentiated to perform different tasks within the organism d. if blood cells were long like nerve cells they would get stuck in the blood vessels

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