True or False: Red Blood Cells divide to make new cells when old ones need to be replaced
False
What are the smallest blood vessels with the thinnest walls in order to maximize diffusion?
capillaries
Which muscle contracts each time we inhale so the lungs can expand?
diaphragm
When blood leaves this chamber of the heart, it heads into the aorta.
Left Ventricle
_____________ help our body recognize and fight off foreign substances.
Leukocytes (WBC)
The amount of strain or force placed on the blood vessels as the blood moves through them is known as____________.
blood pressure
True or False: in the alveoli, CO2 moves into the blood and O2 moves out of it.
False
When this chamber is full, blood is pushed through the bicuspid/mitral valve.
Left atrium
What blood type can recieve blood from all other blood types?
AB
Blood traveling in the ____________ circuit goes through the right side of the heart.
pulmonary
_____________ is when air moves into the lungs.
_____________ is when air moves out of the lungs.
Inspiration
Expiration
When blood leaves this chamber of the heart, it heads to the lungs.
Right Ventricle
What is the fast and localized process the body uses to stop bleeding?
hemostasis
One of the body’s largest blood vessels that returns deoxygenated blood from the upper half of the body to the right atrium of the heart.
Superior Vena Cava
The ____________________________ warms, humidifies, and filters air as it travels to the respiratory zone.
conducting zone
The tricuspid and bicuspid mitral valves are also called what type of valve?
Atrioventricular
The process by which new blood cells are formed in the red bone marrow is called:
hematopoiesis
___________________ stops blood from flowing back into the ventricles each time they contract.
Semilunar Valve
How many lobes do the left and right lungs have?
Right Lung: 3 lobes
Left Lung: 2 lobes
The pulmonary and aortic valves are both classified as what type of valve?
Semilunar