Studied by 5 peopleFunction of the cardiovascular system
-Supplies nutrients and oxygen to the body
-removes metabolic waste and carbon dioxide from cells
-distributes hormones and antibiotes
veins
blood vessels that carries blood back to the heart
Aortic valve
The valve located between the left ventricle and the aorta
Myocardium
the muscular middle layer of the heart
Pericardium
the double layer membrane on the outside of the heart
arteries
the blood vessel that carries blood away from the heart
septum
muscular wall that separates the heart into a right and left side
ventricles
the lower chamber of heart
endocardium
the smooth layer of cells lining the inside of the heart
pulmonary valve
valve between the right ventricle and pulmonary artery
atrium
the upper chamber of the heart
Red blood cells
blood cell that carries oxygen and carbon dioxide
diastole
brief period of rest in the heart
Mitral valve
the valve between the left atrium and the left ventricle
systole
the period of ventricular contraction in the heart
blood vessels
the tissue that flows through the circulatory system
capillaries
blood vessels that connect arterioles with venules
Aorta
the largest artery in the body
Inferior and Superior vena cava
two of the largest veins in the body
Arterioles
smallest branches of arteries
Venules
smallest branches of veins
Tricuspid
valve located between the right atrium and right ventricle
Right atrium
receives deoxygenated blood from the vena cava
pulmonary circulation
the flow of blood between the heaty and lungs
systemic cirrculation
the flow of blood between the heart and the cells of the body
Right side deoxygenated | Left side oxygenated
Step 1 of blood flow through the heart
venous returns to the right atrium
Step 2 of blood flow through the heart
venous flow arrives in the right ventricle
Step 3 of blood flow through the heart
Venous blood is sent in the lungs through the pulmonary artery
Step 4 of blood flow through the heart
After oxygenation in the lungs, the blood returns to the left atrium
Step 5 of blood flow through the heart
Red blood arrives in the left ventricle
Step 6 (last step) of blood flow through the heart
Red blood is sent in the arteries to the tissues in the aortic valve
The sinus node generates an electrical impulse
true
the cardiac cycle represents one complete heart beat
true
relaxation events are referred to as diastole
true
The fiber group stimulates only the right ventricle
false
What is the main artery in the body?
Aorta superior
How many liters of blood are circulating through the average body
4.5 liters
what are the liquid and solid parts of blood?
formed elements and plasma
What is the function of red blood cells?
produces in red marrow of bones, lives for 120 days, they are formed in the liver and spleen removing dead re3d blood cells
Function of the hemoglobin
removes carbon dioxide and picks up oxygen connected to red blood cells
What is the function of white blood cells?
fights disease and infections by phagocytosis
What is the function of platelets?
They stop bleeding Thrombocytes lack nuclei and vary in shape and size, they’re formed in the bone marrow and live 5-9 days,
What percentage of whole blood is plasma? How much of blood is made up of water? What is the rest of plasma made up?
Bloodm is 55% plasma
Plasma itself is 90% water
What are the four blood types?
A,B,AB,O
A Blood type
Only A molecules
B Blood type
Only B molecules
A and B blood type
A and B molecules
O blood type
Neither A and B molecules
Rh Factor
A type of substance that causes the body to produce antibodies
Blood type (+)
Has antibodies
Universal Donor
Type O-
Universal recipient
Type AB+
Note
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