6. Oxygen is absorbed by the lungs and diffuses directly into the bloodstream. Which two systems directly interact during this process? A muscular and skeletal C muscular and circulatory B circulatory and respiratory D respiratory and excretory

i think its y= -4x-14

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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.

can you make it bigger i can't see it

a) carbon, hydrogen

b) carbon, hydrogen, oxygen, nitrogen

c) carbon, hydrogen, oxygen, nitrogen, phosphorus

d) sugar

e) amino acid

f) nucleotide