EASY
8th ICSE
IMPORTANT
Earn 100

Give a reason for the following.

Ventricles have thicker walls than auricle.

Important Questions on Circulatory System

EASY
8th ICSE
IMPORTANT
SRIJAN ICSE BIOLOGY>Chapter 6 - Circulatory System>TEST Yourself>Q 2

Give a reason for the following sentence:

Openings of auricles into ventricles are guarded by valves. 

EASY
8th ICSE
IMPORTANT
SRIJAN ICSE BIOLOGY>Chapter 6 - Circulatory System>TEST Yourself>Q 3

Give a reason for the following:

Arteries have thick walls. 

EASY
8th ICSE
IMPORTANT
SRIJAN ICSE BIOLOGY>Chapter 6 - Circulatory System>TEST Yourself>Q 4

Why valves are present in the veins but not in the arteries?

EASY
8th ICSE
IMPORTANT
SRIJAN ICSE BIOLOGY>Chapter 6 - Circulatory System>TEST Yourself>Q 5

Give a reason for the following statement:

A person of blood group O is a universal donor. 

EASY
8th ICSE
IMPORTANT
SRIJAN ICSE BIOLOGY>Chapter 6 - Circulatory System>TEST Yourself>Q 1
What are the pumping chambers of the heart called? 
EASY
8th ICSE
IMPORTANT
SRIJAN ICSE BIOLOGY>Chapter 6 - Circulatory System>TEST Yourself>Q 2

Which half of the human heart has the oxygenated blood? 

EASY
8th ICSE
IMPORTANT
SRIJAN ICSE BIOLOGY>Chapter 6 - Circulatory System>TEST Yourself>Q 3

Why is lymph called filtered blood? 

EASY
8th ICSE
IMPORTANT
SRIJAN ICSE BIOLOGY>Chapter 6 - Circulatory System>TEST Yourself>Q 4
Mention the advantage of the separation of oxygenated and deoxygenated blood in the human heart.