I do believe the answer is B
Answer:I think it is part B
Explanation:
<span>tubulin, the microtubule protein</span>
Animal cells contain dna enclosed in the nucleus
<span>The answer would be; a significant increase in blood temperature.
The muscle contraction from exercise will produce heat that will increase the body temperature. In a hot and humid condition, this will make the body temperature hard to be lowered. The increase of blood temperature will influence the respiratory control center, makes the respiration drift upward.</span>
