Explore the Human Body

What is the largest organ in the human body?

• skin

• liver

• heart

• lungs

How many bones are in an adult human skeleton?

• 210

• 204

• 198

• 206

What is the function of red blood cells?

• To fight off infections in the body.

• To produce insulin in the pancreas.

• To transport oxygen and carbon dioxide in the body.

• To store nutrients in the liver.

Which system is responsible for transporting nutrients and oxygen?

• Circulatory system

• Digestive system

• Nervous system

• Respiratory system

What part of the brain controls balance and coordination?

• Brainstem

• Cerebellum

• Thalamus

• Cerebrum

What is the primary function of the lungs?

• Breathing in oxygen only

• The primary function of the lungs is gas exchange.

• Regulating body temperature

• Filtering dust from the air

How many chambers does the human heart have?

• 2

• 4

• 3

• 5

What is the role of the skin in the human body?

• The skin helps in digestion and nutrient absorption.

• The skin acts as a storage site for energy and fat.

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

• The skin produces hormones that regulate blood pressure.

Which organ is responsible for detoxifying chemicals?

• Lungs

• Heart

• Kidney

• Liver

What is the average number of muscles in the human body?

• Approximately 400

• Around 800

• Approximately 600

• About 300