Answer:
B. Emend(R)
Explanation:
I calculated it logically
Answers are “fat” and “glucose”
Activities lasting longer than 20 minutes will gradually start using more __fat______ for fuel and less _glucose____.
Reason: When the body does not have enough glucose for energy, it starts burning stored fats instead.
Answer:
Similarly, the cardiovascular, integumentary (skin and associated structures), respiratory, and muscular systems work together to help the body maintain a stable internal temperature. If body temperature rises, blood vessels in the skin dilate, allowing more blood to flow near the skin’s surface.
Explanation:
it's the respiratory system
The one that is not possible