Question

The contraction and expansion process continues for the whole span of life in case of –
(a) Voluntary muscles
(b) Heart muscles
(c) Both of the above
(d) None of the above

Answer 1

Answer:

contraction and expansion continues for whole span of life in case of heart muscle

Answer 2

Dear Student,

◆ Answer - (b)

The contraction and expansion process continues for the whole span of life in case of Heart muscles.

● Explanation -

• Cardiac muscles are present in heart.
• Heart has to keep pumping blood as long as we are alive.
• Hence, cardiac muscles continue contraction & expansion for whole life span.

◆ Extra information -

• Muscles are soft tissue of body which primary functions as power source.
• There are 3 types of muscles - skeletal muscles, smooth muscles and cardiac muscles.
• Some also prefer to classify muscles as - voluntary or involuntary.

Thanks dear. Hope this helps you...