MEDIUM
7th CBSE
IMPORTANT
Earn 100

The are the smallest blood cells present inside our body. (Red blood cells/Platelets)

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Important Questions on Transportation and Excretion

EASY
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 11 - Transportation and Excretion>TRACK YOUR PROGRESS>Q 1
The pulmonary artery carries _____ blood.
EASY
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 11 - Transportation and Excretion>TRACK YOUR PROGRESS>Q 1
The rhythmic contraction and relaxation of heart is called the _____.
EASY
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 11 - Transportation and Excretion>TRACK YOUR PROGRESS>Q 2
The liquid part of the blood is
EASY
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 11 - Transportation and Excretion>TRACK YOUR PROGRESS>Q 2
The red blood cells are produced in- (Spinal cord/ Canaliculi/ Bone marrow/ Brain stem)
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 11 - Transportation and Excretion>TRACK YOUR PROGRESS>Q 2
Name the instrument used for detecting heartbeat.
MEDIUM
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 11 - Transportation and Excretion>TRACK YOUR PROGRESS>Q 2
The muscular wall which separates chambers of heart is
EASY
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 11 - Transportation and Excretion>TRACK YOUR PROGRESS>Q 2

Name the following.

The heart is enclosed by a double-walled sac. (Pericardium/ Endocardium)

EASY
7th CBSE
IMPORTANT
Expanded Universal Science 7>Chapter 11 - Transportation and Excretion>TRACK YOUR PROGRESS>Q 3
What are nephrons?