An Example of Coupled Actions Is When The

question 19

Multiple Choice

An example of coupled actions is when the:

• A)arm moves,the scapula also moves
• B)biceps brachii moves the forearm,the posterior deltoid fixes the arm at the shoulder joint
• C)hip flexors contract,the hip extensors also contract
• D)forearm moves,the hand goes along for the ride

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Definitions:

Motor

Pertaining to movements or mechanisms driven by muscles, referring to the nervous system components that initiate and control physical actions.

Light

Electromagnetic radiation visible to the human eye, essential for human vision and photosynthesis in plants.

Revolving Nosepiece

Part of a microscope that holds the objectives and can be rotated to change magnification.

Objective Lens

The lens in a microscope closest to the specimen, which magnifies the image of the specimen.