HUMAN NUTRITION

NUTRITION

THE HUMAN BODY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What part of your body acts at the pivot points to levers?
A
joints
B
muscles
C
weights
D
neck
Explanation: 

Detailed explanation-1: -The pivot is at the elbow and the forearm acts as the lever arm. The biceps muscle provides the effort (force) and bends the forearm against the weight of the forearm and any weight that the hand might be holding. The load is further away from the pivot than the effort.

Detailed explanation-2: -First-class levers in the body occur when the pivot (joint) is located between the effort (muscles) and load (body weight).

There is 1 question to complete.