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Multiple Choice
Fat is primarily stored in which type of bone marrow?
A
Yellow bone marrow
B
Compact bone
C
Spongy bone
D
Red bone marrow
Verified step by step guidance
1
Step 1: Begin by understanding the function of bone marrow. Bone marrow is a soft tissue found within bones, and it exists in two main types: red bone marrow and yellow bone marrow.
Step 2: Learn the primary roles of each type of bone marrow. Red bone marrow is responsible for hematopoiesis (the production of blood cells), while yellow bone marrow primarily serves as a storage site for fat (adipose tissue).
Step 3: Recognize the anatomical locations of yellow bone marrow. Yellow bone marrow is typically found in the medullary cavity of long bones, such as the femur and humerus, and is more abundant in adults.
Step 4: Differentiate between compact bone and spongy bone. Compact bone is dense and forms the outer layer of bones, while spongy bone (also called cancellous bone) is porous and found at the ends of long bones and within flat bones. Neither compact nor spongy bone stores fat directly; they provide structural support.
Step 5: Conclude that fat is primarily stored in yellow bone marrow, as it is specifically adapted for fat storage, unlike red bone marrow, compact bone, or spongy bone.