If You Toss a Ball Straight Upward at 40 M/s,with

question 29

Multiple Choice

If you toss a ball straight upward at 40 m/s,with no air resistance it returns to you at a speed of

• A)zero.
• B)10 m/s.
• C)40 m/s.
• D)more than 40 m/s.

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Definitions:

Neurons

Specialized cells transmitting nerve impulses; the basic building blocks of the nervous system.

Nerve Cells

Specialized cells that transmit electrical signals throughout the body, forming the basis of the nervous system.

Reflexes

Automatic, involuntary responses to specific stimuli that do not require conscious thought.

Spinal Cord

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