Digestive System
Largest internal organ of the body
What is the liver?
The wall that separates the heart into a left and right side
What is the septum?
Liquid part of the blood
What is plasma?
The air sacs in the lungs
What are alveoli?
The nerve that controls the diaphragm
What is the phrenic nerve?
The parts of the small intestine
What are the duodenum, jejunum, and ileum?
Blood vessels that carry blood away from the heart
What are arteries?
Type of cells that transport oxygen
What are red blood cells?
The breathing muscle
What is the diaphragm?
The highest level of organization of the body
What is system?
The part of a tooth covered by enamel
What is the crown?
These prevent blood in the heart from backing up
What are valves?
The flow of blood between the heart and all parts of the body
What is systemic circulation?
A membrane lining the nasal cavity
What is a mucous membrane?
A tough, slippery membrane that encloses the heart
What is the pericardium?
The organ that makes bile
What is the liver?
The lower chambers of the heart
What are ventricles?
Type of blood cells that can destroy germs
What are white blood cells?
The exchange of oxygen, nutrients, and wastes between blood and cells through capillaries
What is diffusion?
Number of muscles in the human body
What is over 600?
What saliva breaks down starch into?
What are sugars?
The largest artery of the body
What is the aorta?
Cell fragments that clot the blood
What are platelets?
The left lung has this many lobes.
What is 2?
Blood vessels that carry blood away from the heart to the lungs
What are pulmonary arteries?