Olfactory | MCQs

Explanation

• The olfactory bulb is the part of the brain that receives signals from odor receptors in the nose.
• It processing information about smells and odors.

Explanation

• When we inhale, the air enters the nostrils and passes through the nasal cavity, then travels down the pharynx (throat) and into the trachea (windpipe).
• The trachea divides into two bronchi, one for each lung, and the air then enters the lungs, where oxygen is absorbed into the bloodstream and carbon dioxide is removed.

Explanation

• The nose has two holes, the nostrils, which take in air from our surroundings and pass it to the lungs through the nasal passages.
• The nose is responsible for breathing, smelling, and filtering the air we breathe.

Explanation

Reek is a verb which means to have a strong or unpleasant smell.

For example: Her breath reeked of tobacco.