Question

skeletal system review worksheet
name:

part a - bone composition

1. bones are made of about % calcium carbonate and calcium phosphate.
2. about 30% of bone is protein (cartilage), which provides
3. about % of bone is water, which is important for

part b - skeleton divisions

1. the axial skeleton has bones and includes:

Explanation:

1. Bones are composed mainly of calcium - related compounds.
2. Protein in bone (cartilage) provides flexibility and strength.
3. Water in bone is important for metabolic processes and shock - absorption.
4. The axial skeleton has 80 bones and includes the skull, vertebral column, and rib cage.

Answer:

1. Flexibility and strength
2. Metabolic processes and shock - absorption
3. Skull, vertebral column, rib cage