with correct answers provided
Cardiovascular system includes: - ✅✅heart, blood, arteries, veins, capillaries
Size of heart - ✅✅about the size of your fist
Heart is made of - ✅✅cardiac muscle
pericardium - ✅✅Double-layered membrane surrounding the heart.
Myocardium - ✅✅thick, muscular middle layer of the heart
endocardium - ✅✅thin inner lining of the heart
average resting heart rate - ✅✅65-85 bpm
Upper chambers of the heart - ✅✅right and left atrium
Lower chambers of the heart - ✅✅right and left ventricles
sinus node - ✅✅pacemaker of the heart
Right atrium - ✅✅Receives deoxygenated blood from the body
Left atrium - ✅✅receives oxygenated blood from the lungs
Left ventricle - ✅✅pumps oxygenated blood to the body
, right ventricle - ✅✅pumps deoxygenated blood to the lungs
Blood consists of - ✅✅red blood cells, white blood cells, platelets, plasma
Red blood cells - ✅✅Blood cells that carry oxygen from the lungs to the body cells.
white blood cells - ✅✅Blood cells that perform the function of destroying disease-causing
microorganisms
Blood platetes - ✅✅responsible for clotting the blood
Plasma - ✅✅Fluid portion of blood
How many gallons of blood does an average person have - ✅✅1.2-1.5 gallons
Erythema - ✅✅redness of the skin
Arteries - ✅✅carry blood away from the heart
Veins - ✅✅Blood vessels that carry blood back to the heart
Capillaries - ✅✅Microscopic vessel through which exchanges take place between the blood and cells
of the body
Varicose veins - ✅✅abnormally swollen, twisted veins with defective valves; most often seen in the
legs