Home › NEET UG › Biology › Breathing and Exchange of Gases › A healthy adult at rest breathes about ___ times…
A healthy adult at rest breathes about ___ times a minute.
A12 to 16
B2 to 6
C30 to 40
D60 to 70
Answer & Solution
Correct answer: A. 12 to 16
1. Resting breathing is slow and regular.
2. Count your own breaths for a minute.
3. It is around 12 to 16.
_Source: NCERT Class 11 Biology, Chapter 17, Breathing and Exchange of Gases._
Related questions
A stone-crusher works for years in dust and develops lung fibrosis. Such workers should weWheezing from inflamed bronchi and bronchioles is:The enzyme in red cells that speeds up carbon dioxide and water turning into bicarbonate iEvery 100 mL of oxygenated blood delivers about ___ of oxygen to the tissues.Oxygen binds haemoglobin in the lungs and leaves it at the:Haemoglobin is red because it contains:About 97 percent of oxygen in blood is carried by:Gases cross from alveoli to blood mainly by: