Understanding the Human Skeletal System

How many bones are there in the adult human body?

• 180

• 250

• 300

• 206

What is the name of the smallest bone in the human body?

• Femur

• Stirrup

• Clavicle

• Tibia

Which bone is known as the long bone in the upper arm?

• Fibula

• Humerus

• Ulna

• Radius

What is the primary protein found in bones?

• Myosin

• Collagen

• Keratin

• Elastin

Why is calcium important for bones?

• It provides flexibility.

• All of the above.

• It prevents bone loss.

• It enhances bone density.