Elementary School: 3rd, 4th & 5th Grade - Science - Circulatory System 1 Solution - MCQGeeks.com

Q.1.

Which of the following, about capillaries, is NOT true?

33%
Substance exchange in cells and blood takes place here
0%
They are too small to see without a microscope
0%
They connect arteries to veins
67%
They have thick walls

Q.2.

Which of the following is not part of the circulatory system?

0%
Arteries
0%
Capillaries
100%
Lungs
0%
Veins

Q.3.

Which of the following is not a function of the arteries?

0%
To carry blood away from the heart
50%
To carry blood into the heart
0%
To supply food to the cells
50%
To supply oxygen to the cells

Q.4.

Which of the following is not a component of blood?

50%
Plasma
50%
Plates
0%
Red blood cells
0%
White blood cells

Q.5.

Which of the following statements about arteries is NOT true?

0%
Substances can pass through their walls
0%
They carry blood away from the heart
0%
They have a thick wall containing muscle
100%
They have no valves

Q.6.

The veins from the body enter the heart with .......

100%
deoxygenated blood
0%
food
0%
oxygen
0%
oxygenated blood

Q.7.

Which of the following is not true about the ventricles of the heart?

0%
They are the lower chambers of the heart
100%
They are the upper chambers of the heart
0%
They have more muscle than the atria
0%
They pump blood

Q.8.

Which of the following, about veins, is NOT true?

100%
Substances cannot pass through their walls
0%
They carry blood to the heart
0%
They have no valves
0%
They have thin walls

Q.9.

The main organ in the circulatory system is the .......

0%
brain
100%
heart
0%
liver
0%
lungs

Q.10.

Which of the following is not a function of the veins?

100%
To carry blood away from the heart
0%
To carry blood into the heart
0%
To carry carbon dioxide away from the cells
0%
To carry waste away from the cells