This organ pumps blood throughout the body.
What is the heart?
This process involves breaking down food into smaller pieces.
What is digestion?
This organ is primarily responsible for gas exchange in the body.
What are the lungs?
The main function of this type of blood cell is to fight infections
What is the white blood cells ?
The main function of this organ is to filter and clean the air we breathe.
What are the lungs?
These blood vessels carry oxygenated blood away from the heart.
What are arteries?
This organ is primarily responsible for absorbing nutrients from food.
What are the small intestines?
This muscle that separates the lungs and the liver , and plays a key role in breathing ?
What is the diaphragm?
The heart consists of this many chambers.
What are 4 chambers?
This gas is inhaled and is essential for our survival.
What is oxygen.
The main component of blood that carries oxygen is called this.
What are red blood cells?
This part of the digestive system stores food before it is digested.
What is the stomach?
The air passage that connects the throat to the lungs is called this.
What is the trachea?
This process involves the removal of carbon dioxide from the body.
What is exhalation?
Blood returning to the heart from the body enters this chamber first.
What is the right atrium?
This term refers to the smallest blood vessels where gas exchange occurs.
What are capillaries?
The digestive system begins in this part of the body, where food is chewed and mixed with saliva.
What is the mouth?
These tiny air sacs in the lungs are where gas exchange occurs.
What are alveoli ?
This organ is responsible for pumping blood throughout the body.
What is the heart?
This part of the respiratory system is also known as the windpipe.
This structure prevents blood from flowing backward in the heart.
What are valves?
This tube connects the throat to the stomach.
What is the esophagus?
When you exhale, the diaphragm moves this way.
What is up (or relaxes)?
The tube that connects the mouth to the stomach.
The esophagus.
These are tiny air sacs in the lungs where oxygen and carbon dioxide are exchanged.
what are the alveolis?