Tissues are Groups of with a similar structure and function A) Organs
B) Cells
C) Genes

tissues are organisational level between cells and a complete organ.

Explanation: yes they are cells.

the animal that would be cutest if scaled down to the size of a cat? elephant

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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.