Class---VIII

The heart pumps the blood___ times per minute.

• 70

• 71

• 72

There are___ organs of circulatory system.

• 1

• 2

• 3

How many types of blood vessels are there in our body?

• 1

• 2

• 3

Which cell is called guard cell?

• Red blood cell

• White blood cell

How many types of blood cells are there in human body?

• 1

• 2

• 3

What is the main organ of nervous system?

• Kidney

• Brain

• Spinal cord

Spinal cord has___ segments.

• 30

• 31

• 32

What can convey the messages between brain and spinal cord?

• Cerebellum

• Cerebrum

• Midbrain

Our nervous system is a very__ system than other system.

• easy

• hard

• complex

What do we call the fluid part of blood of human body?

• RBC

• Plasma

• Platelet