Number of bones in thumb of hand

Correct option is B

Ans.(b)

Explanation:
The correct answer is 2.

The thumb of the hand contains two phalanges (proximal and distal) compared to three phalanges in the other fingers (proximal, middle, and distal). This structural difference makes the thumb more versatile for gripping and handling objects.

Information Booster:
● The thumb is also called the pollex.
● It has only one joint (interphalangeal) compared to two in other fingers.
● The thumb's opposability is a key feature in humans, enabling precise movements.
● The thumb contributes significantly to the strength of the hand's grip.