Digestive system
This organ breaks down food with the help of acids and enzymes.
What is the stomach?
Air goes into these two organs first.
What are the mouth and nose?
This organ controls your thoughts, feelings, movements, and more.
What is the brain?
This organ pumps blood.
What is the heart?
This organ is the tube that food travels through after entering through the mouth.
What is the esophagus?
This organ has pure oxygen in it.
What is alveoli?
This long tube connects the brain and the nerves.
What is the spinal cord?
Blood passes through this organ.
What are arteries?
This organ is in the shape of a tube and is very long. It is the place where most food absorption takes place and is the area that food reaches after leaving the stomach.
What is the small intestine?
This is the largest organ in the respiratory system.
What are the lungs?
These cells transmit electrical and chemical signals throughout the body.
What are neurons?
These doorlike parts of the heart prevent backflow.
What are valves?
This organ produces bile, which is used to absorb fats from food in the stomach.
What is the liver?
This structure, also called the windpipe, connects the larynx to the bronchi.
What is the trachea?
This part of the nervous system controls voluntary actions.
What is the somatic nervous system?
These tiny blood vessels allow exchange of gases and nutrients between blood and tissues
What are capillaries?
This enzyme breaks down carbohydrates and is located in saliva.
What is amylase?
This term describes the process by which oxygen is exchanged for carbon dioxide.
What is external respiration?
This is the largest part of the brain.
What is the cerebellum?
This iron-rich protein in red blood cells helps carry oxygen throughout the body.
What is hemoglobin?