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Question (41)

QN007979

The rib cage protects mainly the:

(A) Kidneys
(B) Brain
(C) Heart and lungs
(D) Intestines

Correct Answer: C

Explanation:

Rib cage protects heart and lungs.

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Question (42)

QN007980

A gymnast rotates the head sideways. Which joint is mainly responsible?

(A) Hinge joint
(B) Pivot joint
(C) Fixed joint
(D) Ball and socket joint

Correct Answer: B

Explanation:

Pivot joint allows rotational movement.

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Question (43)

QN007981

Which tissue helps muscles attach firmly to bones during movement?

(A) Ligament
(B) Tendon
(C) Cartilage
(D) Plasma

Correct Answer: B

Explanation:

Tendons attach muscles to bones.

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Question (44)

QN007982

Which characteristic is common to skeletal muscles?

(A) Spindle-shaped fibres
(B) Branched fibres
(C) Voluntary control
(D) Absence of striations

Correct Answer: C

Explanation:

Skeletal muscles are voluntary.

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Question (45)

QN007983

Which body system works closely with the muscular system to produce movement?

(A) Digestive system
(B) Respiratory system
(C) Skeletal system
(D) Excretory system

Correct Answer: C

Explanation:

Skeletal and muscular systems work together.

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Question (46)

QN007984

Which tissue is least flexible among the following?

(A) Cartilage
(B) Bone
(C) Ligament
(D) Tendon

Correct Answer: B

Explanation:

Bones are rigid and least flexible.

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Question (47)

QN007985

Which statement correctly explains the role of cartilage in joints?

(A) It forms blood cells
(B) It connects muscles to bones
(C) It reduces friction and wear
(D) It conducts impulses

Correct Answer: C

Explanation:

Cartilage reduces friction between bones.

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Question (48)

QN007986

If ligaments become overstretched, the injury is commonly called a:

(A) Fracture
(B) Sprain
(C) Infection
(D) Cramp

Correct Answer: B

Explanation:

Sprain occurs due to stretched ligaments.

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Question (49)

QN007987

Which type of muscles are mainly responsible for facial expressions?

(A) Smooth muscles
(B) Cardiac muscles
(C) Skeletal muscles
(D) Visceral muscles

Correct Answer: C

Explanation:

Facial muscles are skeletal muscles.

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Question (50)

QN007988

Which feature best explains why the musculoskeletal system is essential for locomotion?

(A) Bones produce hormones
(B) Muscles digest food
(C) Bones and muscles work together to create movement
(D) Cartilage transports oxygen

Correct Answer: C

Explanation:

Bones and muscles together enable movement.

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Question (41)

The rib cage protects mainly the:

Explanation:

Link:

Question (42)

A gymnast rotates the head sideways. Which joint is mainly responsible?

Explanation:

Link:

Question (43)

Which tissue helps muscles attach firmly to bones during movement?

Explanation:

Link:

Question (44)

Which characteristic is common to skeletal muscles?

Explanation:

Link:

Question (45)

Which body system works closely with the muscular system to produce movement?

Explanation:

Link:

Question (46)

Which tissue is least flexible among the following?

Explanation:

Link:

Question (47)

Which statement correctly explains the role of cartilage in joints?

Explanation:

Link:

Question (48)

If ligaments become overstretched, the injury is commonly called a:

Explanation:

Link:

Question (49)

Which type of muscles are mainly responsible for facial expressions?

Explanation:

Link:

Question (50)

Which feature best explains why the musculoskeletal system is essential for locomotion?

Explanation:

Link:

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