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Cardiovascular System Final

Terms in this set (32)

CARDIOVASCULAR SYSTEM
A collection or organs that transport blood throughout the body.
HEART
The major organ of the cardiovascular system responsible for pumping blood throught the body.
ATRIA(RIGHT AND LEFT)
The upper 2 chambers of the heart
VENTRICALS(RIGHT AND LEFT)
The lower 2 chambers of the heart
THE SEPTUM
The wall that separates the right and left side of the heart
What type of muscle is the heart?
CARDIAC MUSCLE
Blood travels throughout your body in hollow tubes called......
Blood Vessels
Three types of blood vessels
ARTERIES, VEINS, CAPILLARIES
ARTERIES
Carries blood away from the heart
VEINS
Carries blood toward the heart
CAPILLARIES
Allows an exchange between blood and cells in other tissue.
AORTA ARTERY
the large artery that brings blood from the heart to the rest of the body
CAROTID ARTERIES
either of the two main arteries that supply blood to the head
PULMONARY ARTERY
an artery that conveys venous blood from the heart to the lungs
PULMONARY VEIN
a valveless vein that returns oxygenated blood from the lungs to the heart
What do VALVES in the Heart do?
keeps blood flowing in one direction
Blood
carries oxygen and nutrients to all parts of your body.
What is blood made of?
BLOOD CELLS AND PLASMA
Three types of blood cells
RED, WHITE, PLATELETS
What is the smallest blood vessel?
CAPILLARY
What are the 4 Blood types?
A, B, AB, O
Blood pressure
the force that blood exerts on the walls of the arteries.
Hypertension
abnormally high blood pressure. The higher the blood pressure the higher risk for a heart attack, heart failure, kidney disease, and a stroke.
Circulatory System
includes your heart, blood, veins, capillaries, and arteries, and your lymphatic system.
Two types of circulation
pulmonary circulation
systemic circulation
systemic circulation
the flow of blood from the heart to all parts of the body and back to the heart
pulmonary circulation
the flow of blood from the heart to the lungs and back to the heart through the pulmonary arteries and veins
Heart attack
happens when heart muscle cells die and part of the heart muscle is damaged.
Heart failure
happens when the heart cannot pump enough blood to meet the body's needs.
Pulse
it is caused by the rhythmic change in your blood pressure.
Atherosclerosis
happens when cholesterol builds up inside of blood vessels; this causes the passage to become narrow and less elastic and can cause a heart attack.
Stroke
is when a blood vessel in the brain becomes clogged or ruptures; as a result the part of the brain receives no oxygen so brain cells die.
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