Question

ᴡʜᴀᴛ ɪs ᴀ ʙᴏɴᴇ?????? ​

Answer 1

Bones are made up of frame work of a protein called,collagen with a mineral called calcium phosphate that's make the framework strong.

Hope it's help you

Answer 2

Answer:

When you run, you begin to breathe heavier and faster . Your heart beatsmore quickly, bringing more oxygen  ...