GENERAL HISTOLOGY

NERVOUS SYSTEM SPECIAL SENSE

SPINALCORD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Your spinal cord is made of:
A
bone
B
muscle
C
nerve cells
D
tendons
Explanation: 

Detailed explanation-1: -Your spinal cord is the long, cylindrical structure that connects your brain and lower back. It contains tissues, fluids and nerve cells. A bony column of vertebrae surrounds and protects your spinal cord. Your spinal cord helps carry electrical nerve signals throughout your body.

Detailed explanation-2: -The brain, spinal cord and the nerves, all are composed of the nervous tissue. The cells of this tissue are called neurons or nerve cells.

Detailed explanation-3: -Accordingly, the number of neurons in the spinal cord is about 69 million.

Detailed explanation-4: -It is made of nervous tissue and is connected to the brain. Ventral nerve cord neurons are physically organized into neuromeres that process signals for each body segment.

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