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Oxygen rich blood returns to the heart from the lungs into this chamber
Chamber of the heart that receives blood from the right atrium and pumps blood to the lungs
Part of the blood that helps fight infections.
Very large blood vessels that return oxygen poor blood from the body back to the heart
Chamber of the heart that receives oxygen poor blood from the vena cavas.
Part of the blood that carrys oxygen
Part of the blood that helps with blood clotting
Valve that separate the atrium and the ventricles. Prevents blood from flowing backwards
Blood vessel that carries oxygen rich blood away from the heart
Recieves blood from the left atria and pushes it to the aorta
Blood Vessel where gas exchange occurs
What part of the respiratory system filters and warms air. How air enters the system
What body system transports oxygen, nutrients, and heat to body tissues?
What body system transports exchanges oxygen and carbon dioxide with the outside air and the body?
This structure is also called the windpipe, it moves air into the lungs
The trachea branches into
This is the site of gas exchange in the lungs.
This muscle controls breathing. It is found under the lungs.
What structure is labeled #12
What structure is labeled #13
What structure is labeled #14
What structure is labeled #15
What structure is labeled #16. These are the tiny air sacs.