Question

Describe organs of taste and olfactory organs.

Answer 1

Tongue & Nose:

• The tongue gives the sense of taste and nose gives a sense of smell. Both these are chemical senses and they depend on the nature of a chemical substance.
• Sense of taste is perceived by chemoreceptors present on the tongue. The human tongue has about 10,000 taste buds present on the top and sides of the tongue.
• Odours are detected by olfactory hairs (sensory hair) that emerge from the receptors. When molecules of chemicals enter the nose with air. They stimulate sensory epithelium of nose, which send impulses to the olfactory region of the brain.