Random Facts
How many times does the heart beat each day?
100,000 (over 2,000 gallons!)
Vessels
The heart is made up of _______ muscle
Cardiac
A sticky, salty fluid that circulates through the body bringing nourishment and oxygen to all body parts
Blood
Artery vessel walls are thick and carry _______ blood away from the heart.
Oxygenated
Which side of the heart is stronger? Left or right?
The left side because it has to pump blood all over the body while the right side only sends to the lungs
The heart utilizes a complex network of vessels to get essential nutrient-rich blood to all _____, _______, and ______ .
Cells, tissues, and organs
The heart is encased in a thick membrane called the _______ .
Pericardium
Blood consists of red and white corpuscles (blood cells), platelets and _____ .
Plasma
_______ is the largest artery.
Aorta.
Who has a faster resting heart rate- men or women?
Women: 70-90 bpm
Men:60-80 bpm
The cardiovascular system controls the circulation of _____
Blood
Thick muscular middle layer between the pericardium and endocardium is called ________
Myocardium
Red blood cells are also called __________ or ____ _________ .
Erythrocytes or red corpuscles.
Vein vessels are thin and carry __________ blood from capillaries to heart and lungs.
Deoxygenated
What percentage of blood goes to your brain?
20%
The cardiovascular system includes the following 5 things: ______, _______, ________, ________, and ________ .
Heart, blood, arteries, veins, and capillaries.
Thin inner lining of the heart is called _______
Endocardium
White blood cells are also called _______ or ________ _________ .
Leukocytes, white corpuscles
______ _______ (toxic waste) is returned to the lungs for excretion.
Carbon dioxide
Your heart is about the size of your ____
Fist
The heart is _____ shaped.
Cone
The upper chambers of the heart are called the left and right _____, the bottom chambers of the heart are called left and right ______ .
Atriums, ventricles
Blood platelets are also called thrombocytes and responsible for ______ of blood.
Clotting
Metabolic waste and toxins are transported through the blood to the liver and the _______ for filtration.
Kidneys