Explore Human Body Systems

What is the main function of the heart?

• To produce hormones for growth.

• To digest food and absorb nutrients.

• To filter waste from the blood.

• To pump blood throughout the body.

How many bones are in the adult human body?

• 210

• 206

• 204

• 198

What system helps us breathe?

• Nervous system

• Digestive system

• Respiratory system

• Circulatory system

What is the largest organ in the human body?

• Lungs

• Heart

• Liver

• Skin

What do muscles do in the body?

• Muscles store energy for the body.

• Muscles filter toxins from the bloodstream.

• Muscles produce hormones for growth.

• Muscles enable movement, maintain posture, and generate heat.

Which system is responsible for digestion?

• The nervous system

• The digestive system

• The respiratory system

• The circulatory system

What part of the brain controls thinking?

• Brainstem

• Thalamus

• Cerebellum

• Cerebral cortex (specifically the prefrontal cortex)

What do red blood cells carry in the body?

• Electrolytes and proteins

• Waste products and enzymes

• Nutrients and hormones

• Oxygen and carbon dioxide

What is the function of the skin?

• The skin helps in digestion and nutrient absorption.

• The skin produces hormones that regulate mood.

• The skin acts as a storage organ for fat and water.

• The skin protects the body, regulates temperature, provides sensation, and synthesizes vitamin D.

How do the kidneys help the body?

• The kidneys produce insulin to regulate blood sugar levels.

• The kidneys help in the production of red blood cells in the lungs.

• The kidneys help the body by filtering blood, removing waste, regulating fluid and electrolyte balance, and producing hormones.

• The kidneys are responsible for digestion and nutrient absorption.