Same chapter3 marksDifficulty: Medium
Name the two main divisions of the human skeleton and the bones each contains.
The Skeleton and Movement
3 marksDifficulty: Medium
Explain how the biceps and triceps work as an antagonistic pair.
Original Khojo Papers practice question — not from a past board paper.
Answer
To bend the arm the biceps contracts and the triceps relaxes, so the forearm is pulled up. To straighten it the triceps contracts and the biceps relaxes. A muscle can only pull, never push, so movement in two directions needs a pair of muscles working against each other.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The same arrangement is found wherever a limb has to move both ways.
Related questions
From the same topic and chapter, at a similar level.
Same chapter3 marksDifficulty: Medium
Distinguish between a ligament and a tendon.
The Skeleton and Movement
Same chapter3 marksDifficulty: Medium
Name three types of movable joint, giving one example and the movement allowed by each.
The Skeleton and Movement
Same chapter2 marksDifficulty: Easy
State four functions of the human skeleton.
The Skeleton and Movement
Same chapter2 marksDifficulty: Easy
State two functions of the human skeleton.
The Skeleton and Movement
Same subject3 marksDifficulty: Medium
Name four cell organelles and state one function of each.
Basic Biology: The Cell