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WorksheetsCirculatory System
Total questions: 25
Worksheet time: 3hrs 45mins
The structure responsible for pumping blood throughout the body is
the kidney
the stomach
the brain
the heart
These structures located between the 2 atrium and the 2 ventricles that keep blood flowing in ONE DIRECTION are called
stops
veins
valves
gates
Platelets are important for which process?
fighting bacteria
carrying oxygen
recycling water
clotting
Vessels that move deoxygenated (low oxygen) are called
veins
arteries
capillaries
ventricles
Vessels that move deoxygenated (low oxygen) are called
veins
arteries
capillaries
ventricles
What chamber of the heart is identified by the red arrow #1?
left atrium
right atrium
left ventricle
right ventricle
The the chamber of the heart identified with the red arrow #4....?
right atrium
left atrium
right ventricle
left ventricle
The circulatory system is responsible for
delivering nutrients to, and removing wastes from, the cells of the body
the breaking down of food into nutrients usable by the body
the exchange of gases in the body
producing hormones to regulate body functions
Deoxygenated blood from the body enters the heart at
structure 2, the right atrium
structure 3, the right ventricle
structure 8, the left atrium
structure 9, the left ventricle
This structure is responsible for delivering blood to the lungs for oxygenation.
Structure 10, the superior vena cava
Structure 6, the pulmonary artery
Structure 7, the pulmonary veins
Structure 1, the aorta
Oxygenated blood would be found in which chambers of the heart?
2 and 3
2 and 8
8 and 9
3 and 9
Veins carry blood ____________________ to heart while arteries carry blood _____________________________ the heart.
toward, away from
away from, toward
Deoxygenated blood is delivered to the lungs via the __________________________, which is structure ________________.
pulmonary veins, 6
pulmonary artery, 6
pulmonary veins, 7
pulmonary artery, 7
Deoxygenated blood is delivered to the heart via the_________________________, structures _______________.
aorta and pulmonary artery, 1 and 6
sup. & inf. vena cavas, 10 and 11
pulmonary veins, 7
none of the above
Which heart structure prevents oxygenated and deoxygenated blood from mixing?
mitral valve
ventricle
septum
atrium
Oxygen-rich blood from (BLANK) enters (BLANK) atrium and then (BLANK) ventricle.
1. Lungs
2. Left
3. Right
1. Lungs
2. Right
3. Right
1. Heart
2. Left
3. Left
1. Lungs
2. Left
3. Left
What carries blood from the body cells back to the heart
veins
arteries
capillaries
heart
