EASY
6th ICSE
IMPORTANT
Earn 100

Draw labelled diagrams of three types of blood vessels showing difference between their lumen.

Important Questions on Human Circulatory System

EASY
6th ICSE
IMPORTANT
ICSE Biology>Chapter 6 - Human Circulatory System>THINK ZONE>Q •

Why is blood in arteries a brighter red than the blood in veins?

EASY
6th ICSE
IMPORTANT
ICSE Biology>Chapter 6 - Human Circulatory System>THINK ZONE>Q •
During fast physical activities the heartbeat rate increases. Why?
MEDIUM
6th ICSE
IMPORTANT
ICSE Biology>Chapter 6 - Human Circulatory System>THINK ZONE>Q •
Why does WBCs count go up when there is any infection in the body?
MEDIUM
6th ICSE
IMPORTANT
ICSE Biology>Chapter 6 - Human Circulatory System>THINK ZONE>Q •
Arteries are deeply seated in the body, whereas the veins are superficial. Why?
EASY
6th ICSE
IMPORTANT
ICSE Biology>Chapter 6 - Human Circulatory System>Worksheet 1>Q 1
Oxygen combines with haemoglobin to form _____.
EASY
6th ICSE
IMPORTANT
ICSE Biology>Chapter 6 - Human Circulatory System>Worksheet 1>Q 1
_____ is used to measure blood pressure. (Sphygmomanometer/ Stethoscope)
EASY
6th ICSE
IMPORTANT
ICSE Biology>Chapter 6 - Human Circulatory System>Worksheet 1>Q 1
_____ arteries carry deoxygenated blood.
EASY
6th ICSE
IMPORTANT
ICSE Biology>Chapter 6 - Human Circulatory System>Worksheet 1>Q 2
Diastole represents general pause.