Skeletal system: Bones overview

The functions are the skeletal system are

• To support the body, protect the organs, store calcium, and produce blood cells

• to regulate the composition of body fluids by removing metabolic wastes and retain the balance of water, salt, and other nutrients

• to regulate and maintain bodily functions by producing hormones and releasing them into the blood stream

• to enable the diffusion of oxygen into the bloodstream and the removal of carbon dioxide from the bloodstream

How many bones are in the adult human body?

• 260

• 280

• 208

• 206

Red bone marrow functions to

• produce fat

• produce blood cells

• store cells

• produce new bone cells

Yellow marrow functions to ______.

• produce new bone cells

• store calcium

• store fat

• produce calcium

Area that serves as storage for fat

• C

• B

• E

• D

Area that causes the lengthwise growth

• D

• F

• A

• B

Shaft, composed of compact bone

• C

• F

• A

• B

Select an example of irregular bones

• phalanges

• vertebrate

• ribs

• humerus

The ________is very dense and gives your bone strength.

• Joint
• Compact bone
• Spongy bone

The site of bone growth on a long bone is called

• Epiphyseal plate
• diaphysis
• periosteum
• meduary cavity