Exploring the Skeletal System and Bone Facts

How many bones does a baby have at birth?

• 250

• 206

• 300

• 150

What material are some of a baby's bones made of?

• Calcium

• Cartilage

• Phosphorus

• Bone marrow

What is one of the main functions of bones?

• To regulate temperature

• To produce energy

• To digest food

• To give the body shape

Which organs are protected by bones?

• Heart, lungs, and brain

• Stomach, intestines, and liver

• Kidneys, bladder, and pancreas

• Eyes, ears, and nose

What are bones primarily made of?

• Water and fat

• Minerals and proteins

• Carbohydrates and vitamins

• Sugars and fibers

What is the name of the dense, hard type of bone?

• Trabecular bone

• Marrow bone

• Cortical bone

• Spongy bone

What is the role of bone marrow?

• To digest food

• To regulate body temperature

• To store fat

• To produce red blood cells and platelets

What helps bones heal after they break?

• Water and fat

• Proteins and sugars

• Vitamins and minerals

• Collagen and cartilage

Which bone is the longest and strongest in the human body?

• Femur

• Radius

• Humerus

• Tibia

What is the largest joint in the human body?

• Knee

• Elbow

• Hip

• Shoulder