Breathing and E...

Respiration and photosynthesis are

Cardiac notch is found on

Signet ring cartilage of larynx is:

During inspiration, air passes into lungs due to

Oxygen haemoglobin dissociation curve will shift to right on decrease of

The shortest part of respiratory system is

Respiratory system is derived from

Disease called pleurisy is due to 

Percentage of O$$_2$$ present in inhaled air in man is about 

Consider the following statements A-D.
A. Epiglottis is the cartilaginous flap of skin which regulates the flow of air into the trachea.
B. Pleura is the ultimate region where in which the diffusion of air between the lungs and blood takes place.
C. Larynx is the voice box, which is the enlarged part of trachea.
D. "Adam's apple" is the protruding cartilage of the voice box of male humans.
The correct and wrong statements are given in