Home
Class 12
BIOLOGY
When diaphragm contracts,...

When diaphragm contracts,

A

the volume of the thoracic cavity increases

B

intrapulmonary pressure increases

C

the volume of the thoracic cavity decreases

D

the intrapleural pressure increases

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • BREATHING AND EXCHANGE OF GASES

    AAKASH SERIES|Exercise EXERCISE-I (Exchange of Gases)|16 Videos
  • BREATHING AND EXCHANGE OF GASES

    AAKASH SERIES|Exercise EXERCISE-I (Transport of Gases)|31 Videos
  • BREATHING AND EXCHANGE OF GASES

    AAKASH SERIES|Exercise EXERCISE-III (Previous AIPMT/NEET Questions)|18 Videos
  • BODY FLUIDS AND CIRCULATION

    AAKASH SERIES|Exercise Exercise -III (Previous AIPMT/NEET Questions)|35 Videos
  • CHEMICAL COORDINATION AND INTERGRATION

    AAKASH SERIES|Exercise Exercise-III (previous AIPMT/NEET questions)|41 Videos

Similar Questions

Explore conceptually related problems

Which of the following is correct ? (i)The diaphragm contracts - volume of chest cavity increased (ii)The diaphragm contracts - volume of chest cavity decreased (iii)The diaphragm expands - volume of chest cavity Increased (iv)The diaphragm expands - volume of chest cavity decreased

When a muscle contracts suddenly and powerfully, it results in

In human body A is a pumping organ from lungs blood vessel B with oxygenated blood enters upper C part of left chamber of the organ. When "C" chamber contracts blood flows into "D" lower left chamber. "D" chamber contracts blood is pumped to all parts of the body except lungs through blood vessel E. Deoxygenated blood from body parts is collected by blood vessel "F " and opens upper "G" right chamber. This chamber contracts blood flows into "H" lower chamber. Lastly "H" contracts Deoxygenated blood sent to lungs by blood vessel "I" c) (i) C (ii) D are what chambers?

In human body A is a pumping organ from lungs blood vessel B with oxygenated blood enters upper C part of left chamber of the organ. When "C" chamber contracts blood flows into "D" lower left chamber. "D" chamber contracts blood is pumped to all parts of the body except lungs through blood vessel E. Deoxygenated blood from body parts is collected by blood vessel "F " and opens upper "G" right chamber. This chamber contracts blood flows into "H" lower chamber. Lastly "H" contracts Deoxygenated blood sent to lungs by blood vessel "I" d) (i) G (ii) H are what chambers ? write their names.

In human body "A" is a pumping organ. From lungs blood vessel "B" with oxygenated blood enters upper "C" Part of left chamber of the organ. When " C" chamber contracts blood flows into "D" lower left Chamber. Contracts blood is pumped to all parts of the body except lungs through blood vessel E. Deoxygenated blood from body parts is collected by blood vessel "F" and opens upper "G" right chamber. This chamber contracts blood flows "H" lower chamber. Lastly "H" contracts De-ozygenated blood sent to lungs by blood vessel "I". What organ does 'A' represents ?

What will happen if diaphragm is not there in the body?

What is the role of epiglottis and diaphragm in respiration ?

What is the role of epiglottis and diaphragm in respiration?

In the human eye, the opaque diaphragm behind the cornea is called the