Riet / Std-5 / Science-test
RIET INTERNATIONAL SCHOOL / SCIENCE TEST
- 1.The structure that separates the left and the right atrium Is
- A.
A) septum
- B.
interventricular septum
- C.
Interatrial septum
- D.
fossa ovalis
- 2.What is the main part of the circulatory system?
- A.
Lungs
- B.
Veins
- C.
Heart
- D.
Capillaries
- 3.How many times per minute does the heart pump blood?
- A.
10 to 20
- B.
100 to 150
- C.
3 to 5
- D.
60 to 100
- 4.All of the following are parts of the circulatory system except:
- A.
Heart
- B.
Lungs
- C.
Veins
- D.
Eyes
- 5.Smoking makes it hard to breathe.
- A.
True
- B.
False
- 6.What is the circulatory system responsible for? pick the best answer.
- A.
Transporting materials
- B.
Transporting materials through your whole body
- C.
Digesting food
- D.
Lets you breath
- 7.Plasma is about _____ percent water.
- A.
60
- B.
70
- C.
80
- D.
90
- E.
95
- 8.The left and right sides of your heart work ____.
- A.
Together
- B.
Separately
- C.
Against each other
- D.
None of the above
- 9.What is the smallest blood vessel?
- A.
Arteries
- B.
Capillaries
- C.
Veins
- D.
Option 4
- 10.The circulatory system is composed of:
- A.
The heart, blood, and blood vessels
- B.
The heart, the brain, and the lungs
- C.
The lungs, the blood, and the blood vessels
- D.
The brain, the heart, and the blood vessels
- 11.What links the arteries to the veins?
- A.
Muscle
- B.
Capillaries
- C.
Aorta
- 12.What happens when blood pools in the veins?
- A.
You fall over.
- B.
You become paralyzed
- C.
You get varicose veins
- 13.Which of the following is NOT a function of white blood cells.
- A.
Guard against infection.
- B.
Fight parasites.
- C.
Attack bacteria.
- D.
Carry oxygen.
- 14.When in the lungs, the __________ leaves the blood.
- A.
Oxygen
- B.
Carbon Dioxide
- C.
Nitrogen
- D.
Phosphorus
- 15.
![Blood, blood vessels, and the heart make up the ________ system. - ProProfs]( "Blood, blood vessels, and the heart make up the ________ system.")
Blood, blood vessels, and the heart make up the ________ system.- A.
Circulatory
- B.
Respiratory
- C.
Digestive
- D.
Reproductive
- 16.
![Which chamber is #1? (hint: it is large) - ProProfs]( "Which chamber is #1? (hint: it is large)")
Which chamber is #1? (hint: it is large)- A.
Right atrium
- B.
Left atrium
- C.
Right ventricle
- D.
Left ventricle
- 17.
![Which chamber is #2 ? - ProProfs]( "Which chamber is #2 ?")
Which chamber is #2 ?- A.
Right atrium
- B.
Left atrium
- C.
Right ventricle
- D.
Left ventricle
- 18.
![Which chamber is #3 ? - ProProfs]( "Which chamber is #3 ?")
Which chamber is #3 ?- A.
Right atrium
- B.
Left atrium
- C.
Right ventricle
- D.
Left ventricle
- 19.
![Which chamber is #4 ? (hint: It is large) - ProProfs]( "Which chamber is #4 ? (hint: It is large)")
Which chamber is #4 ? (hint: It is large)- A.
Right atrium
- B.
Left atrium
- C.
Right ventricle
- D.
Left ventricle
- 20.The hormones found in the human body are located in
- A.
The circulatory system
- B.
The spinal cord
- C.
The veins and capillaries
- D.
The Endocrine System
Questions: 21 | Attempts: 177 | Last updated: Jan 11, 2013
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