AP BIOLOGY

ANIMAL PHYSIOLOGY

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Marrow cavity inside the bones is responsible for what?
A
growth
B
transporting plasma throughout the body
C
producing enzymes
D
making red bloods cells
Explanation: 

Detailed explanation-1: -The soft, spongy tissue that has many blood vessels and is found in the center of most bones. There are two types of bone marrow: red and yellow. Red bone marrow contains blood stem cells that can become red blood cells, white blood cells, or platelets.

Detailed explanation-2: -Bone marrow is in the center of most bones and in the end of spongy bones in your body. Bone marrow and blood vessels fill cavities in your bones, where they store fat and stem cells and produce blood cells that make your whole blood.

Detailed explanation-3: -Bone marrow makes stem cells, which produce platelets and white and red blood cells.

Detailed explanation-4: -Most blood cells are made in your bone marrow. This process is called haemopoiesis. In children, haemopoiesis takes place in the long bones, like the thighbone (femur). In adults, it’s mostly in the spine (vertebrae) and hips, ribs, skull and breastbone (sternum).

Detailed explanation-5: -Red bone marrow is primarily found in the medullary cavity of flat bones such as the sternum and pelvic girdle. This type of bone marrow contains hematopoietic stem cells, which are the stem cells that form blood cells.

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