True or False
True or False: The human body has RED, WHITE, and BLUE blood cells.
What is FALSE?
I am the tube that connects the throat and the bronchial tubes.
What is the trachea?
Vessels that carry blood away from the heart.
What are arteries?
Diffusion causes oxygen to pass from the ____ into the capillaries.
What is alveoli?
True or False: The pulmonary vein is the only vein in the human body that carries oxygenated blood from the lungs back to the heart.
What is TRUE?
The large band of muscle that controls the size of the chest cavity.
What is the diaphragm?
The smallest vessels where wastes, gases, and nutrients enter or leave the bloodstream.
What are capillaries?
Alveoli are surrounded by a web of _______. This is where gases are exchanged.
What are capillaries?
The two branches of windpipe.
What is the bronchi?
Blood leaves the heart and goes to the lungs to get oxygen in this vessel.
What is the pulmonary artery?
Arteries are also known as Veins.
What is FALSE?
The two large lightweight respiratory organs which expand when you breath in.
What are the lungs?
Oxygen-rich blood returns to the heart through this vessel.
What is the pulmonary vein?
The grape-like air clusters in the lungs that store oxygen.
What is alveoli?