MICROANATOMY

MUSCLE NERVE CARTILAGE BONE

BONE STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The needle-like pieces found in spongy bone:
A
may store red marrow
B
are called trabeculae
C
lighten the bone
D
all of the above
Explanation: 

Detailed explanation-1: -Spongy bone has lots of needle like pieces called trabeculae and lots of spaces. We classify bones by their shape. Long-longer than wide, compact bone outside, some have spongy bone on the interior.

Detailed explanation-2: -Spongy bone is found mostly at the ends of bones and contains red marrow. Bone marrow is found in the center of most bones and has many blood vessels. There are two types of bone marrow: red and yellow. Red marrow contains blood stem cells that can become red blood cells, white blood cells, or platelets.

Detailed explanation-3: -Spongy bone: (also called cancellous bone) is made of needle-like or flat pieces – trabeculae.

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