EASY
12th Maharashtra Board
IMPORTANT
Earn 100

What is depolarization and repolarization?

Important Questions on Respiration and Circulation

HARD
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Curiosity>Q 2
What is the correlation between depolarization and repolarization as well as contraction and relaxation of the heart?
HARD
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Curiosity>Q 3
How are the signals detected and amplified by electrocardiograph?
HARD
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Curiosity>Q 4
Who discovered ECG?
EASY
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Exercise>Q Q.1

The muscular structure that separates the thoracic and abdominal cavity is

HARD
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Exercise>Q Q.1
What is the minimum number of the plasma membrane that oxygen has to diffuse across to pass from air in the alveolus to haemoglobin inside an RBC? 
EASY
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Exercise>Q Q.1
_____ is a sound producing organ.
EASY
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Exercise>Q Q.1
The maximum volume of gas that is inhaled during breathing in addition to T.V is
EASY
12th Maharashtra Board
IMPORTANT
Biology Standard 12>Chapter 8 - Respiration and Circulation>Exercise>Q Q.1

_____ muscles contract when the external intercostal muscles contract