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When Kate's Grandma Leans Over the Crib with a Toy

question 75

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When Kate's grandma leans over the crib with a toy in her hand,eight-month-old Kate grasps it and pulls on it.When Kate's mom hangs a set of animals across the crib,Kate reaches up,grabs them,and pulls them down.Kate seems to be working on ________ for grasping and pulling.


Definitions:

Somatic Nervous System

A component of the peripheral nervous system that controls voluntary movements of the body through its control of skeletal muscles.

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for physical and mental activity by accelerating heart rate, constricting blood vessels, and raising blood pressure.

Motor Nervous System

Part of the nervous system responsible for controlling voluntary muscle movements in the body.

Spinal Cord

A long, thin, tubular structure made up of nervous tissue, which extends from the brainstem down the back, transmitting neural signals between the brain and the rest of the body.

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