This is the main organ of the circulatory system.
What is the heart?
This is the organ we use to breathe.
What is the lungs?
This is the first part of the digestive system where food enters.
What is the mouth?
This organ is primarily responsible for filtering waste from the blood.
What are the kidneys?
This organ is filled with acid that helps breakdown food.
What is the stomach?
These are a type of blood vessel that carries blood away from the heart.
What are arteries?
This is the tube that connects the throat to the lungs.
What is the trachea (or windpipe)?
This organ produces bile to help digest fats.
What is the liver?
This is the tube that carries urine from the kidneys to the bladder.
What is the ureter?
This is the largest artery in your body.
What is the aorta?
This is the liquid part of blood that carries nutrients and waste.
What is plasma?
This is a muscle that helps us breathe by contracting and relaxing.
What is the diaphragm?
This is the long tube that connects the stomach to the large intestine.
What is the small intestine?
This organ stores urine until it is ready to be expelled.
What is the bladder?
These two organs systems work together like best friends to give the body oxygen and nutrients.
What are the respiratory and circulatory system?
These are the blood vessels that allow oxygen and nutrients to pass to the cells. (Hint: They're tiny.)
What are capillaries?
These are tiny air sacs in the lungs where gas exchange occurs.
What are alveoli?
This is the part of the digestive system is responsible for absorbing water from waste.
What is the large intestine?
This is a form of excretion where water leaves through the skin.
What is sweating?
This is the part of your throat where air escapes the lunch. Another name for this organ is the voice box.
What is the larynx
These are the blood vessels that send oxygen-poor blood to the lungs.
What are veins?
This type of gas escapes your lungs every time you exhale.
This is the process of breaking down food into smaller molecules.
What is digestion?
This is a form of excretion where carbon dioxide escapes the lungs.
What is exhaling?
This is the type of digestion that involves enzymes breaking down food molecules.
What is chemical digestion?