Human Organ System Quiz

How many bones does a grown-up have in their body?

• 106

• 206

• 316

• 406

What protects your brain inside your body?

• Rib

• Joint

• Skull

• Muscle

What connects your bones together?

• Muscles

• Joints

• Skin

• Tendons

What is the smallest bone in your body?

• Knee cap

• Femur

• Bone in your ear

• Bone in your toe

What is the longest bone in your body?

• Arm bone

• Femur

• Rib

• Skull

What helps you move and run?

• Bones

• Blood

• Muscles

• Intestines

What do muscles do when one gets shorter?

• The other also gets shorter

• The other breaks

• The other relaxes

• The other disappears

How many muscles are in your body?

• About 60

• About 100

• Over 600

• Over 1000

What system helps your body get energy from food?

• Muscular System

• Respiratory System

• Circulatory System

• Digestive System

What organ comes after the mouth in digestion?

• Stomach

• Gullet

• Large intestine

• Small intestine