Breathing and Exchange of Gases

The figure given below shows a small part of human lung where exchange of gas takes place. In which one of the options given below, the one part A, B C or D is correctly identified along with its function?

Match the items given in Column I with those in Column II and select the correct option given below: Column - I Column - II a. Tidal volume i. 2500 - 3000 mL b. Inspiratory Reserve volume ii. 1100 - 1200 mL c.…

Match the following columns and select the correct option:- Column-I Column-II (a) Pneumotaxiccentre (i) Alveoli (b) $O_{2}$ Dissociation curve (ii) Pons region of brain (c) Carbonic anhydrase (iii) Haemoglobin (d)…

Select the correct events that occur during inspiration. (a) Contraction of diaphragm (b) Contraction of external intercostalmuscles (c) Pulmonary volume decreases (d) Intrapulmonarypressure increases

Match List-I with List-II. $\begin{array}{|l|l|l|l|}\hline & \text{List - I} & & \text{List - II} \\\hline \text{A}. & \text{Emphysema} & \text{(i)} & \text{Rapid spasms in muscle due to low } \mathrm{Ca}^{++} \text{ in…

Match List-I with List-II: $\begin{array}{|l|l|r|l|}\hline & \text{List-I} & & \text{List-II} \\ \hline A. & \text{Residual Volume} & I. & \begin{array}{l} \text{Maximum volume of air that can be breathed in after…

Under normal physiological conditions in human being every \$100ml$ of oxygenated blood can deliver ___________ \$ml$ of \$O_{2}$ to the tissues.

Match List I with List II :List I (Respiratory Volume)List II (Capacity in mL)A. ERV (Expiratory Reserve Volume)I. $2500 - 3000$ mLB. RV (Residual Volume)II. $500$ mLC. IRV (Inspiratory Reserve Volume)III. $1000 - 1100$…

The Total Lung Capacity(TLC) is the total volume of air accomodated in the lungs at the end of a forced inspiration. This includes:

Sponges exchange O$_2$ with CO$_2$ by __________.

In water, frogs respire using __________.

In humans, respiration occurs in the following steps. Arrange these steps in the correct order. A. Diffusion of $\text{O}_2$ and $\text{CO}_2$ between blood and tissues. B. Diffusion of $\text{O}_2$ and $\text{CO}_2$…