WCHS Mr. Alasti PLTW HBS Human Body Systems 3.1.1 Go With the Flow
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36 Terms
What does movement and processing rely on?
The supply of oxygen from the blood
What does the flow of blood ensure?
Essential nutrients are delivered and wastes are moved away for disposal
What is at the center of the cardiovascular system?
The heart
Label the cross section
Aorta
Right atrium
Aortic valve
Left atrium
Tricuspid valve
Mitral valve
Right ventricle
Left ventricle
What do vessels do?
They act as pipes that carry blood and nutrients to your cells and carry wastes away from them
What are arteries responsible for?
Carrying blood away from the heart
What are veins responsible for?
Returning blood back to the heart
What is the bottom of the heart known as?
The apex
What is the top of the heart known as?
The base
What is the systemic circuit in the heart?
Transports oxygenated blood from the left side to the rest of the body
What is the pulmonary circuit in the heart?
Transports deoxygenated blood from the right side to the lungs
Is this a vein, artery, or capillary?
Artery
What vessels in the heart supply itself with blood and nutrients?
Coronary arteries
Route of blood flow in the heart
Inferior & superior vena cava →Right atrium →Tricuspid/Right AV valve→Right ventricle→Pulmonary valve→Pulmonary arteries→Lungs→Pulmonary veins→Left atrium→Tricuspid/Mitral/Left AV valve→Left ventricle→Aortic valve→Aorta→Body
What do arterials become?
Capillary beds
What is pictured?
Capillary beds
Venule
A very small vein
What side of the heart is the pulmonary circuit?
Right
What side of the heart is the systemic circuit?
Left
3 types of muscle tissue
Smooth, cardiac, and skeletal
What type of muscle does blood vessels have surrounding them?
Smooth
Cardiac muscle tissue
Involuntary striated muscle found only in the heart’s walls
Smooth muscle tissue
Involuntary non-striated muscle found in the walls of hollow organs, blood vessels, and respiratory tracts
What kind of muscle tissue surrounds the heart?
Cardiac
Vena Cavas empty into the
Right atrium
What is another name for the tricuspid valve?
Right AV valve
When blood gets oxygenated in the lungs, how does it travel back to the heart?
Through the pulmonary veins
Another name for mitral/bicuspid valve
Left AV valve
Why is the wall of the left side much thicker than the wall of the right side?
The left side pumps blood to the entire body, meaning it takes much more pressure than the right side, which is only pumping it to the lungs
What happens when any of the coronary arteries get blocked?
Myocardial infarction
What arteries are pictured?
Coronary arteries
How many layers of cells are capillaries?
1
What carries nutrients to cells?
Blood and blood vessels
Varicose veins
Swollen, twisted, and enlarged veins. They are weakened veins and faulty one way valves that cause blood to pool rather than go to the heart
Is this an artery, vein, capillary?
Vein
Is this an artery, vein, or capillary?
Capillary