Human Skeletal System Quiz

How many bones are there in an adult human skeleton?

• 206

• 210

• 180

• 220

Which part of the skull is movable?

• Upper jaw

• Lower jaw

• Cheekbone

• Forehead

What is the primary function of the backbone?

• Produce red blood cells

• Store calcium

• Protect the spinal cord

• Support the head

How many pairs of ribs are there in the human rib cage?

• 10

• 14

• 12

• 16

What is the longest bone in the human body?

• Femur

• Humerus

• Fibula

• Tibia

Which bone is known as the thigh bone?

• Humerus

• Femur

• Tibia

• Radius

What is the function of the jawbone?

• Store minerals

• Protect the brain

• Hold the lower teeth

• Support the neck

Which bones form the shoulder girdle?

• Radius and ulna

• Sternum and ribs

• Scapula and clavicle

• Femur and tibia

What is produced in the bone marrow?

• Cartilage

• Nerve cells

• Red blood cells

• Calcium

Which mineral is stored in the bones?

• Iron

• Magnesium

• Potassium

• Calcium