The answer is D it's the best option
A, b, c, d, e
explanation: i just know lol?
Answer:
When we're babies.
Explanation:
When you're born, all of your bones are almost completely formed out of cartilage, and you have approximately 300 of them. Over time, your bones begin to fuse together and solidify into pure bone. When your born about half of your bones are solid cartilage and the other half is a mixture, that usually applies to your bigger bones like the bones you have in your legs as they have to be at least partly solidified enough for you to function
Aerobic exercise lowers your heart rate, which helps lower one's blood sugar levels.
Answer:
Neurons
Explanation:
Neurons are nerve cells that carry "messages", or electrical impulses btw the brain and other body parts. Very important to the Nervous System!
