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WorksheetsCIRCULTORY SYSTEM BIOLOGY
Total questions: 15
Worksheet time: 11mins
Veins are blood vessels containing blood going to the heart
True
False
Oxygenated means the blood has a lot of....
Oxygen
Carbon Dioxide
What is the main organ of the circulatory system?
small intestine
bone
lungs
heart
Which system allows blood to circulate throughout the body to transport oxygen and nutrients to all the cells and tissues?
Nervous
Respiratory
Circulatory
All of the following are functions of blood except:
Transportation of oxygen and carbon dioxide.
Regulation of body temperature.
Synthesis of vitamins.
Defense against infection.
What protects the body against blood loss?
Clots formed by clusters of leukocytes.
Clots formed by platelets and blood proteins.
Masses of erythrocytes and erythrocyte fragments.
Constriction of capillaries in the damaged area.
thin walled upper heart chamber which receives blood and pump blood to the ventricles.
Atria (Atrium)
Ventricle
Aorta
Lungs
prevents backwards flow of blood in the heart
Aorta
Valve
Atrium
Capillaries
The heart is about the size and shape of your . . .
head
fist
hand
foot
Veins carry oxygen poor blood back to the heart.
False
True
Identify
Left atrium
Right atrium
Left ventricle
Right ventricle
It consists of...
the heart, which is a muscular pumping device.
the heart, which is a muscular pumping device, and a closed system of vessels called arteries and capillaries.
the heart, which is a muscular pumping device, and a closed system of vessels called arteries, veins, and capillaries.
