SaraNextGen Study App [2023-24]
Last Updated On [03-11-2023]

In the given diagram, identify what is depicted by  and

Choose the correct option

a)

A-Air going out from lungs, B-Ribs and sternum relaxed, C-Volume of thorax increased

b)

A-Air entering lungs, B-Ribs and sternum relaxed, C-Volume of thorax increased

c)

A-Air entering lungs, B-Ribs and sternum raised, C-Volume of thorax increased

d)

A-Air going out from lungs, B-Ribs and sternum relaxed, C-Volume of thorax decreased


Question ID - 2693 :-

In the given diagram, identify what is depicted by  and

Choose the correct option

a)

A-Air going out from lungs, B-Ribs and sternum relaxed, C-Volume of thorax increased

b)

A-Air entering lungs, B-Ribs and sternum relaxed, C-Volume of thorax increased

c)

A-Air entering lungs, B-Ribs and sternum raised, C-Volume of thorax increased

d)

A-Air going out from lungs, B-Ribs and sternum relaxed, C-Volume of thorax decreased

1 Answer
5876 Votes
3537

Answer Key : (c) -

(c)

A – Air entering lungs

B – Ribs and sternum raised

C – Volume of thorax increased

Pulmonary volume increases by the following steps

(i) Contraction of the diaphragm

(ii) Contraction of intercostal muscle

(iii) Lifting of the ribs

(iv) Sternum causing an increase in the volume of thoracic chamber in dorso ventral axis



Next Question :

Which of the following statement is false?

a)

The conducting part of the respiratory system transports the atmospheric air to alveoli

b)

Conducting part of the respiratory system clears the air from foreign particles, humidifies and brings it to the body temperature

c)

Exchange part of the respiratory system is the actual site at which  and  exchange takes place

d)

None of the above


View Topper Answer

We hope we have given the updated helpful answer / content for your query in an easily accessible format to help you in preparing adequately. We do offer free support materials, 11th maths guide 11th maths guide 12th maths guide 10th maths guide, also for all the classes books and guide to all the students who sign up for SaraNextGen. Apart from traditional textbook queries, we've got conjointly provided further high order level thinking issues, that are seemingly to be expected in boards and competitive exams. It includes conceptual queries, MCQs, Long and short answer type queries, etc. These Questions are designed to learn each student and academics by providing chapter-wise further issues focusing totally on testing conceptual information with applications. Here, we've got provided a number of the necessary ways in which within which the solutions of all the Questions will profit students of class 1 to 12. If you have any queries, drop a message to us and we will get back to you at the earliest.


SaraNextGen