Question

question 7 human hands have five fingers, including an opposable thumb. each finger has three joints. what function is provided by the structure of the human hand? a they help digest food. b they take in oxygen and help you breathe. c they pick up objects. d they carry blood throughout the body.

Explanation:

• Option A: Digesting food is the function of the digestive system, not the hands. Eliminate A.
• Option B: Taking in oxygen and breathing is the function of the respiratory system, not the hands. Eliminate B.
• Option C: The structure of the human hand (fingers, opposable thumb, joints) allows it to grasp and pick up objects, which is a key function of the hand.
• Option D: Carrying blood throughout the body is the function of the circulatory system (blood vessels, heart), not the hands. Eliminate D.

Answer:

C. They pick up objects.