Question

what is called bones

Answer 1

The inside of your bones are filled with a soft tissue called marrow. There are two types of bone marrow: red and yellow. Red bone marrow is where all new red blood cells, white blood cells, and platelets are made.

Answer 2

1) the human body has more then 600 muscles
2) muscles make up the half of the person's body weight
3) they are connected to bones by tough , cord like tissues called tendons
4) these tendon allow muscles to pull on bones