contestada

2. What is made inside of bones that is carried throughout the circulatory system?

Respuesta :

Answer:

oxygen, calcium or iron

Answer:

Bone Marrow

Explanation:

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