Circulatory System 2
How much do you know about the circulatory system?

Circulatory System 2

This Science quiz is called 'Circulatory System 2' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.

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As you'll already know, the circulatory system transports blood around the body through blood vessels. The earliest known writings on the circulatory system are found in the Ebers Papyrus (16th century BCE), an ancient Egyptian medical papyrus containing over 700 prescriptions and remedies.

Recap your knowledge of the circulatory system in this quiz.

1.
Which is the correct statement about capillaries?
They are very narrow blood vessels
They contain hemoglobin
They contain valves
They have thick muscle
They are only one cell thick
2.
Which is the correct statement about red blood cells?
They can be produced by a type of blood cell
They fight against disease
They have no nucleus
They help the blood to clot
They have no nucleus so that they can contain lots of hemoglobin
3.
Which is the correct statement about plasma?
A straw colored liquid portion of blood
It contains hemoglobin
It fights against disease
It helps the blood to clot
4.
Which is the correct statement about antibodies?
They are produced by some capillaries
They are produced by some plasma
They are produced by some red blood cells
They are produced by some white blood cells
5.
Which of the following is NOT a function of blood?
It forms part of the body's defense mechanism
It transports food to cells
It transports oxygen to cells
It transports waste to cells
It transports waste AWAY from cells
6.
Which is the correct statement about white blood cells?
They can be produced by a type of blood cell
They contain hemoglobin
They help the blood to clot
They protect the body against disease
Some white blood cells digest microbes
7.
One of the functions of white blood cells is .......
to carry carbon dioxide
to carry oxygen
to engulf microbes
to help the blood to clot
They also produce antibodies and neutralize toxins
8.
The function of red blood cells is .......
to carry carbon dioxide from the organs to the lungs
to carry oxygen from the lungs to the organs
to form blood clots
to protect the body
9.
Which is the correct statement about platelets?
They can be produced by a type of blood cell
They contain hemoglobin
They fight against disease
They help the blood to clot
10.
One of the functions of plasma is .......
to carry carbon dioxide from the organs to the lungs
to carry oxygen from the lungs to the organs
to form blood clots
to protect the body
Plasma also transports glucose and hormones
Author:  Sue Davison

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