When a person starts exercising (running) the increase in energy expenditure causes an elevation of oxygen consumption and carbon dioxide production. To compensate for this the respiratory control center senses the LOW oxygen level in blood and the HIGH carbon dioxide level and signals the diaphragm to contract and relax more often (INCREASE THE RATE).

The answer is B

7 0

4 years ago

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You would know you were in the troposphere if

Furkat [3]

<span>You would know you were in the troposphere if you see stuff like the clouds because it is earths lowest layer. </span>

8 0

3 years ago

After Meiosis 2, how many chromosomes will I have in each cell if I start with 48 chromosomes in my original parent cell? Is the

Sophie [7]

Answer:

you would have 24 chromosomes and it would be haploid