Bones in the Human Body

What is the name of this bone?

• humerus

• radius

• ulna

• pelvis

Which is the largest and heaviest bone in the human body?

• femur

• cranium

• vertebrae

• rib cage

Why do adults have less bones than infants?

• Bones fuse together.

• Bones disappear.

• Bones crumble.

Select all of the bones that are in the human leg.

• femur

• fibula

• tibia

• rib cage

What is the name of this bone?

• vertebrae

• cranium

• clavicle

• scapula

Look at the picture. What does it show?

• muscles

• skeleton

• stomach

Which body parts hold you up and help you move?

• the heart and lungs

• the stomach and brain

• the muscles and bones

What system is shown in the picture?

• Skeletal System

• Respiratory System

• Muscular System

• Circulatory System

What is one thing that the skeletal system does?

• Helps us breathe

• Protects our organs

• Pumps blood to the rest of our body

• Helps us see

How many bones are there in the adult human body?

• 206

• 210

• 215

• 220