Answer:
The official definition for cardiorespiratory endurance is "Cardiorespiratory fitness refers to the ability of the circulatory and respiratory systems to supply oxygen to skeletal muscles during sustained physical activity."
Based on that, the answer is A.
*<u><em>Just for citation purposes, the definition is from Wikipedia.</em></u>
The main organ of the respiratory system is the lungs.
Answer: C.
Explanation: putting on gloves and properly changing them out while working with a certain food can prevent contamination. I hope I’m correct and this helps!
1. Seminiferous tubules
2. Scrotum
3. Blood (2 words ??)
