Question

In: Anatomy and Physiology

State something that you learned about the muscular system that was knew knowledge to you. Why...

State something that you learned about the muscular system that was knew knowledge to you. Why did you find it interesting?

How will the knowledge help you in your future career, or your personal life.

Expert Solution

Muscular system

it is an organ system.
Consist of

Skeletal muscle or voluntary muscle.
Smooth muscle or involuntary muscle.
Cardiac muscle

skeletal muscle or voluntary muscle.

these muscle cells are in conscious control.
Eg: Triceps (straighten arm at the elbow)

Biceps (bend arm at elbow)

Hamstring (bend leg at knee) , etc...

smooth muscle or involuntary muscle

these cells works automatically
Not in our control or wish.
Eg: muscles of eye

Muscles of blood vessels

Muscles of lungs, etc. ..

cardiac muscle

special type of involuntary muscle.
Seen only in heart.
It contracts regularly and continuesly.

muscle contraction

contraction cycle

myosin heads hydrolyze ATP and become reoriented and energized.
Myosin head bind to actin forms crossbridge.
Myosin head rotate towards center of the Sarcomer (power stroke).
As myosin head bind ATP the cross bridge detached from the actin.

Sydney Mullin answered 1 year ago

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