_________ are rapid-transport vessels for blood pumped out of the heart's ventricles.
These are smaller vessels where controls over the distribution of blood flow operate.
Small vessels located between capillaries and veins.
Large vessels that deliver blood back to the heart and serve as blood volume reservoirs.
Fluid pressure imparted to blood by ventricular contractions.
________ (lowest) occurs when ventricles are most relaxed.
_______ (highest) occurs when contracting ventricles force blood into arteries.
_______ is the physiological process by which an animal exchange oxygen and carbon dioxide with its environment.
Gases enter and leave the internal environment by crossing a ________: A moistened layer thin enough for gases to diffuse across.
The airway connecting the larynx with two bronchi that lead into the lungs.
The airway where sound is produced; it's closed off during swallowing.
It closes off the larynx during swallowing.
The muscle sheet between the chest cavity and the abdominal cavity with roles in breathing.
The supplemental airway when breathing is labored.