Question

Match the following:

Group 'A'	Group 'B'
(1) Cardiac muscles	(a) Always function in pairs.
(2) Are brought about by muscles	(b) We never feel tired.
(3) Pepsin	(c) Uncontrolled and painful contraction of muscles.
(4) Cramps	(d) Chewing movements of jaw.
(5) Skeletal muscles	(e) Enzyme of the gastic juice.

Accepted Answer

1 - b : Cardiac muscles are those muscles that never get tired and work throughout one's life. Also, they are involuntary in action.

(2) - (d) : The chewing movement of jaw is brought about by muscles of the face, since the muscles are only tissues which are responsible for any kind of movement, can be contraction or relaxation.

(3) - (e) : Pepsin is an enzyme found in the gastric juice, and is responsible for the digestion of proteins found in food.

(4) -(c) : Cramps are the uncontrolled and painful contraction of muscles, which is caused by dehydration, strenuous exercise or lack of muscle use.

(5) - (a) : Skeletal muscles are those muscles which always function in pairs, because they pull in only one direction such as one muscle in a pair contracts, its counterpart then contracts and pulls in the opposite direction to straighten the joint out again.

Group 'A' Group 'B'

(1) Cardiac muscles (b) We never feel tired.

(2) Are brought about by muscles. (d) Chewing movements of jaw.

(3) Pepsin (e) Enzyme of the gastric juice.

(4) Cramps (c) Uncontrolled and painful contraction of muscles.

(5) Skeletal muscles (a) Always function in pairs.

Organ	Statement
1. Tongue	My taste-buds can tell only a sweet taste.
2. Liver	I am the largest gland in the body.
3. Large intestine	I am 7.5 meter long.
4. Appendix	Digestion is impossible without me.
5. Lung	I play an important role in excretion.

Maharashtra Board Solutions for Chapter: The Muscular System and Digestive System in Human, Exercise 9: Exercise

Maharashtra Board Science Solutions for Exercise - Maharashtra Board Solutions for Chapter: The Muscular System and Digestive System in Human, Exercise 9: Exercise

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