Human Body Quiz

Which organ is responsible for pumping blood throughout the body?

• Heart

• Brain

• Lungs

• Stomach

Which blood vessels carry oxygenated blood away from the heart?

• Arteries

• Veins

• Capillaries

• Lungs

Which blood vessels transport deoxygenated blood back to the heart?

• Arteries

• Veins

• Capillaries

• Lungs

Which tiny blood vessels facilitate the exchange of oxygen, nutrients, and waste products between the blood and tissues?

• Arteries

• Veins

• Capillaries

• Lungs

Which organ is the entry point of digestion and breaks down food mechanically by chewing?

• Heart

• Mouth

• Stomach

• Brain

Which muscular tube connects the mouth to the stomach?

• Esophagus

• Trachea

• Pharynx

• Larynx

Which organ further breaks down food using gastric juices and enzymes?

• Heart

• Mouth

• Stomach

• Brain

Which part of the small intestine is responsible for nutrient absorption?

• Duodenum

• Jejunum

• Ileum

• Colon

Which organ is responsible for absorbing water and electrolytes from undigested food?

• Stomach

• Large Intestine

• Small Intestine

• Colon

Which organ acts as the primary entrance for air into the respiratory system?

• Nose

• Mouth

• Lungs

• Trachea