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The thumb is the short, thick first digit of the human hand. The other four digits are our fingers.Click to see full answer. In this way, is a thumb a finger yes or no?A thumb is a digit, but not technically a finger. Many people don’t make the distinction between thumbs and other digits.Also Know, what is a thumb called? Thumb, also called pollex, short, thick first digit of the human hand and of the lower-primate hand and foot. It differs from other digits in having only two phalanges (tubular bones of the fingers and toes). The thumb also differs in having much freedom of movement and being opposable to tips of other digits. Beside above, why is the thumb not considered a finger? The thumb contrasts with each of the other four by being the only digit that: Is opposable to the other four fingers. Has two phalanges rather than three. Has greater breadth in the distal phalanx than in the proximal phalanx.How important is your thumb?Humans can move their thumb farther across their hand than any other primate. Having opposable thumbs helps in grasping things more easily, picking up small objects, and eating with one hand. An opposable thumb is a physical adaptation. An adaptation is a feature that helps a plant or animal survive in its habitat.

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