NEET BIOLOGY

STRUCTURAL ORGANISTION OF PLANTS AND ANIMALS

ANIMAL TISSUES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The central Hollow portion of the bone is called
A
Osteocytes
B
Tedon
C
Bone marrow
D
Ligaments
Explanation: 

Detailed explanation-1: -Central hollow part of the long bones is called marrow cavity .It is filled with bone marrow.Bone marrow is made of adipose tissue, blood vessels, nerves etc.

Detailed explanation-2: -Pneumatized bones are hollow bones because they are filled with air space. It is believed that this shape facilitates oxygen intake during flight.

Detailed explanation-3: -In adult humans, bone marrow is primarily located in the ribs, vertebrae, sternum, and bones of the pelvis. Bone marrow comprises approximately 5% of total body mass in healthy adult humans, such that a man weighing 73 kg (161 lbs) will have around 3.7 kg (8 lbs) of bone marrow.

Detailed explanation-4: -Bone marrow is a spongy substance found in the center of the bones. It manufactures bone marrow stem cells and other substances, which in turn produce blood cells. Each type of blood cell made by the bone marrow has an important job. Red blood cells carry oxygen to tissues in the body.

There is 1 question to complete.