Exposure to radiation and toxins. This is because the radiation can basically fry the sperm causing many reproductive issues in men.
Answer:The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood. The lungs contain the bronchi, bronchioles, and alveoli.
Explanation:
Answer:
B. rapid breathing (it's making me but 20 characters so ignore this lol)
