Skeleton system Class - 4

How many bones does an adult human have ?

• 300

• 206

• 256

• 150

Which bone is the longest in the human body ?

• Humerus

• Skull

• Ribcage

• Femur

Where is the smallest bone in the body located ?

• Ear

• Toe

• Nose

• Finger

What material makes our bones hard and strong ?

• Iron

• Calcium

• Water

• Blood

What is the function of Redblood cell?

• blood clotting

• Fractures

• Carry oxygen for our body

• Fight against germs

Our bones are connected through what ?

• Joints

• Skull

• Ribcage

• Heart

The _____ protects the brain, inner ears, and eyes.

• brain
• skull
• bones
• ribs

Identify the bone.

• clavicle

• ribs

• humerus

• ulna

What bone is in this picture? 

• skull
• arm
• clavicle
• femur

Who has more bones: an adult or a baby?

• baby
• adult
• both have the same
• neither have bones