Please help me asap. it's due at 3:00 and my mom doesn't want to help. How many bones does it take to make a system?

What are axial bones?

What are appendicular bones used for?

What are joints?

Where are the smallest bones in your body located?

What is on the surface of bones?

What is compact bone?

What is spongy bone?

What is bone marrow?

How do bones grow?

Where is the spine located?

What organs does the rib cage protect?

What does the skull protect?

What are leg bones used for?

What are 2 ways you can protect your bones?

1) About 300 at birth and 206 at adulthood

2) it  is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate.

3) It is majorly required for the movement of the body and also digital manipulation of feeding and reproduction.

4) Human joints are when ends of two bones come together. The joints hold them together and allow for movement of your skeleton.

5) in the middle ear

6) a fibrous membrane called the periosteum

7) Compact bone forms the outer layer of all bones and provides strength

8) The spongy bone is a much porous kind of bone which is found in the animals. The spongy bones are also called Cancellous bones or the Trabecular bones.

9) Bone marrow is a semi-solid tissue found within the spongy or cancellous portions of bones

10) Bones grow through the cellular activities of osteoblasts on the surface of the bone

11)  top of your neck, just under the skull, and goes all the way down to your tail-bone

12) it protects the brain from injury

13) They are used to produce movements such as standing, walking, running, and jumping.

14) Get vitamin D and plenty of exercise

Explanation:

hope it mark me as brainlieast.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.