The type of blood in the left atrium of the heart.
What is oxygenated blood.
The direction that blood flows within the pulmonary circuit.
What is between the heart and lungs?
Small sacs that give oxygen to blood vessels.
What are alveoli?
What is passive.
The tube for air to enter and leave.
Structure in the heart that prevent the backwards flow of blood.
What are valves?
The direction that blood flows in the systemic circuit.
What is between the heart and the rest of the body?
Branches that bring air into the lungs.
What are bronchi?
In diffusion molecules move from ___________ concentration to ___________ concentration.
What is from high concentration to low concentration?
Contains the vocal chords and locks food from entering the lungs.
What is larynx?
The large blood vessel that brings oxygenated blood from the heart to the rest of the body.
What is the aorta?
Blood vessels that carry blood to the heart.
What are veins?
Acts like a strainer for dust and pathogens.
What is the nasal cavity?
True or False: Passive transport does not require energy.
True
A large muscle that pulls down on the lungs to bring air into the lungs.
What is the diaphragm?
The large blood vessel that brings deoxygenated blood from the body to the heart.
Blood vessels that carry blood away from the heart.
What are arteries?
Spongy tissue that expands and contracts.
What is the lungs?
When molecules are in equal concentration throughout a concentration gradient.
What is equilibrium?
What is diffusion?
A cluster of muscle cells that create an electrical impulse that tells the atriums and ventricles to contract.
What are SA and AV node?
True or False: Blood is made in the heart.
False, blood is made in bone marrow.
Creates a pathway for either air or food.
What is the pharynx?
True or False: Oxygen moves through the walls of alveoli into the blood vessels through the process of passive transport.
True
True of False: The right lung has three lobes and the left lung has two lobes.
True: The left lung has only two formal lobes because of the space taken up in the left side of the chest cavity by the heart.