Skeletal System

What is the primary function of the skeletal system?

• To circulate blood

• To provide structural support

• To produce hormones

• To digest food

How many bones are in the adult human skeleton?

• 198

• 210

• 220

• 206

Which cells are responsible for building new bone tissue?

• Chondrocytes

• Osteocytes

• Osteoclasts

• Osteoblasts

What is the process of blood cell formation in the bones called?

• Ossification

• Metamorphosis

• Hematopoiesis

• Calcification

Which part of the skeleton includes the skull and vertebral column?

• Central skeleton

• Peripheral skeleton

• Appendicular skeleton

• Axial skeleton

What mineral is primarily stored in bones?

• Sodium

• Calcium

• Potassium

• Iron

Which bone structure protects the brain?

• Femur

• Pelvis

• Rib cage

• Cranium

What is the role of osteoclasts in bone tissue?

• Building new bone tissue

• Storing minerals

• Breaking down old or damaged bone tissue

• Monitoring bone matrix

Which part of the skeleton is responsible for movement and includes the limbs?

• Central skeleton

• Axial skeleton

• Peripheral skeleton

• Appendicular skeleton

What is the function of the thoracic cage?

• Protects the heart and lungs

• Supports the brain

• Stores minerals

• Produces blood cells