Answer: A) Heart and lungs
Explanation:
The heart becomes more efficient with every beat as it pumps oxygen-carrying blood, the lungs more effective in taking in oxygen, and the muscles more equipped to use more oxygen.
Options A, C, D, and F are all correct! Have a good day:)
Relax and focus on yourself, everything will turn out fine
Answer:The nutrients your gland provides for the microbial populations.
Explanation:
I would say hat now is the perfect time because peak bone mass happens at our age. Bone strengthening exercises are always good for your body no matter what, so encourage her/him to do it. I'm guessing the age is about 11-18 maybe...
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