PLS HELP ASAP, ILL MARK BRAINLIEST IF ITS A REAL ANSWER. LOOK AT THE PICTURE.

1. on average, a person at rest takes about 16 breaths per minute. This means we breathe about 960 breaths an hour, 23,040 breaths a day, 8,409,600 a year, if breathing stops the person may go unconsious

2. apart from blowing candles they can also use it to take in oxygen and give out carbon dioxide

3. it expands and contracts

Explain:

pls mark braniest

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

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