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Terms in this set (36)
One of the two thin-walled upper chambers of the heart. Where blood enters the heart.
The force exerted by blood on the inside of the walls of the arteries when your heart beats.
closed circulatory system
A transport system in which the fluid is confined within vessels. Humans have one of these.
A group of specialized cells in the right atrium of the heart that establish the basic rhythm of the heartbeat. Controls the heart rate by sending electrical signals through the heart muscle, making the heart contract and pump blood throughout the body
The rhythmic expansion and shrinking of arteries; started by the contractions of the ventricles of the heart.
A structure in the heart and some veins that prevents the blood from flowing backward.
One of the two thick-walled lower chambers of the heart; the pumping part of the heart. Where blood leaves the heart.
Parts of the Circulatory System
heart, arteries, veins, capillaries, blood
Diagram of the Heart
Path of Blood
Pulmonary Vein (Oxygenated Blood) ==>
Left Ventricle ==>
Aorta (largest artery in the body) ==>
arteries that carry oxygen rich blood to
the rest of the body ==>
Superior Vena Cava / Inferior Vena Cava
(DeOxygenated Blood) ==>
Right Atrium ==>
Right Ventricle ==>
Pulmonary Artery (DeOxygenated Blood) ==>
Lungs ==> Pulmonary Vein
Blood flow to the brain is stopped and the brain is deprived of oxygen.
Heart muscles have died because oxygen is blocked from the heart.
Oxygen rich blood from the lungs enters this part of the heart.
Oxygen rich blood leaves from this part of the heart.
Carbon dioxide rich / oxygen poor blood leaves this part of the heart.
Carbon dioxide rich / oxygen poor blood from the body enters this part of the heart.
A tiny, thin walled blood blood vessel that is involved in the exchange of oxygen and carbon dioxide, nutrients and waste. Also used to create a bridge between arteries and veins.
dividing wall between the left and right sides of the heart.
Flap like structures that separate the chambers of the heart.
Chambered muscular organ that controls the pumping of blood throughout the body.
A thick walled blood vessel that carries blood away from the heart.
A blood vessel with valves that carries blood towards the heart.
A connective tissue made up of plasma, red blood cells, platelets, and white blood cells.
The fluid part of blood. It is made up of water, minerals, nutrients, sugars, proteins and other substances. Transports wastes and other nutrients.
The part of blood that clumps together with fibers to form blood clots in order to stop bleeding. Repairs damaged blood vessels by forming clots.
red blood cells
The part of blood that carries oxygen to all the cells in your body and returns carbon dioxide to the lungs.
The protein in red blood cells that attracts oxygen.
white blood cells
The part of blood that attacks a virus, bacteria or any other tiny particle that can make you sick. Protects the body by destroying invading pathogens.
The pressure in arteries when the ventricles contract. The top number in a blood pressure reading.
The pressure in arteries when the ventricles relax. The bottom number in a blood pressure reading.
A virus, bacteria or any other tiny particle that can make you sick.
A, B, AB or O
The chemicals on the outside of red blood cells that determine which blood type you have.
When a person is given blood from another person.
The blood type that can be donated safely to any other blood type (universal donor)
Chemicals that react with antigens of other blood types as if the antigens were pathogens.
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