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WorksheetsAn Overview of the Cardiovascular System
Total questions: 15
Worksheet time: 10mins
What is the main function (the job) of the circulatory system?
to pick up excess fluids from the interstitial spaces
to support the lymphatic system by carrying substances around the body
to pump blood throughout the body to supply cells and tissues with the food and oxygen they need to survive
to fall in love
How many cells are there in the human body?
thousands
millions
billions
trillions
What kind of cells carry oxygen?
erythrocytes
leukocytes
phagocytes
battery cells
What does pulmonary mean?
circulation
pertaining to the lung
pertaining to the heart
about pulling a wagon
What is pulmonary circulation?
Oxygenated blood is pumped from the left ventricle of the heart through the aorta, the largest artery in the body. The blood moves from the aorta through the systemic arteries, then to arterioles and capillary beds that supply body tissues.
Pulmonary circulation moves blood between the heart and the lungs. It transports deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide.
Which side of the heart pumps deoxygenated blood to the lungs?
right
left
outside
front
How thick are the walls of the capillaries?
100 cells
one cell
zero
it depends on the day
What is systemic circulation?
Systemic circulation moves blood between the heart and the rest of the body. It sends oxygenated blood out to cells and returns deoxygenated blood to the heart.
Systemic circulation moves blood between the heart and the lungs. It transports deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide.
The right side of the heart pumps freshly oxygenated blood to all the cells of the body.
True
False
Freshly oxygenated blood turns bright (a) .
There are (a) chambers in the heart.
The heart powers both pulmonary and systemic circulation.
True
False
(a) is the abbreviation for cardiovascular.
(a) are one way doors that keep the blood flowing in one direction.
Arteries are smaller than capillaries.
True
False
