What is the function of lymph nodes?

Important Questions on Human Body-Circulatory System

EASY

8th ICSE

IMPORTANT

Innovative Biology>Chapter 7 - Human Body-Circulatory System>EVALUATE YOUR UNDERSTANDING>Q III

What is the function of pericardial fluid? Where is it found? 

MEDIUM

8th ICSE

IMPORTANT

Innovative Biology>Chapter 7 - Human Body-Circulatory System>EVALUATE YOUR UNDERSTANDING>Q III

What are the functions of different types of blood vessels?

MEDIUM

8th ICSE

IMPORTANT

Innovative Biology>Chapter 7 - Human Body-Circulatory System>EVALUATE YOUR UNDERSTANDING>Q III

Explain double circulation of blood. Why is it called so? Why is it necessary?

MEDIUM

8th ICSE

IMPORTANT

Innovative Biology>Chapter 7 - Human Body-Circulatory System>EVALUATE YOUR UNDERSTANDING>Q III

Arteries have thick muscular walls but veins have thin walls. Why?

MEDIUM

8th ICSE

IMPORTANT

Innovative Biology>Chapter 7 - Human Body-Circulatory System>EVALUATE YOUR UNDERSTANDING>Q III

Why is the heart not fatigued even though it beats non-stop throughout the life of an individual?

EASY

8th ICSE

IMPORTANT

Innovative Biology>Chapter 7 - Human Body-Circulatory System>EVALUATE YOUR UNDERSTANDING>Q IV

Mention the difference between pulmonary vein and pulmonary artery.

EASY

8th ICSE

IMPORTANT

Innovative Biology>Chapter 7 - Human Body-Circulatory System>EVALUATE YOUR UNDERSTANDING>Q IV

Differentiate between the following:

Lymph and Blood

MEDIUM

8th ICSE

IMPORTANT

Innovative Biology>Chapter 7 - Human Body-Circulatory System>EVALUATE YOUR UNDERSTANDING>Q 1

Why are veins provided with valves and not arteries?