Human Body and Major Organs Quiz

Which organ is responsible for the exchange of oxygen and carbon dioxide in the body?

• lungs

• kidneys

• liver

• stomach

What is the main function of the heart in the circulatory system?

• Digests food

• Regulates body temperature

• Pumps blood

• Filters air

Where does the process of digestion begin in the human body?

• In the mouth

• In the stomach

• In the lungs

• In the bloodstream

Which system controls and coordinates the body's activities and responses to stimuli?

• nervous system

• digestive system

• endocrine system

• respiratory system

What is the main function of the skeletal system?

• Support, protection, and movement

• Sensation, integration, and coordination

• Digestion, absorption, and elimination

• Respiration, circulation, and filtration

Which part of the respiratory system is responsible for the voice production?

• Trachea

• Esophagus

• Bronchi

• Larynx

What is the main function of the red blood cells in the circulatory system?

• Regulate body temperature

• Carry oxygen

• Transport nutrients

• Produce insulin

Which organ is responsible for absorbing nutrients from the food we eat?

• Liver

• Lungs

• Small intestine

• Stomach

What is the main function of the nervous system?

• Digest food

• Transmit signals between different parts of the body

• Regulate body temperature

• Produce hormones

Which part of the skeletal system protects the brain and supports the face?

• ribcage

• spine

• skull

• femur