Riet / STD-5 / Science-test

20 Questions | By Nibedita.riet | Last updated: Mar 20, 2022 | Total Attempts: 24

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RIET INTERNATIONAL SCHOOL / SCIENCE TEST

Questions and Answers

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.
- A.
  
  Circulatory
- B.
  
  Respiratory
- C.
  
  Digestive
- D.
  
  Reproductive
16.

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 ?
- A.
  
  Right atrium
- B.
  
  Left atrium
- C.
  
  Right ventricle
- D.
  
  Left ventricle
18.

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)
- 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