1. When the outside temperature is too hot or too cold, your body responds by sweating or shivering. A) True
B) False

2. If cells cannot function normally, then an organism might become sick or die.
A) True
B) False

3. Your body is made up of cells, tissue, organs and organ systems.
A) True
B) False

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.

the answer would be..

b. sucking

answer: dna

because all cells have genes