Question

why might a fish have such a huge area for processing taste and other sensory information from its mouth how do fish interact with the world?

comparing with human

Answer 1

The fish have a very highly developed and specialized sensory system. They have a huge area for taste processing and other sensory information from mouth because of high number of chemoreceptors. They can taste anything they meet and hence this helps them in finding the location of the food or alerts them predators. They have a great sense of smell and taste and they can use the chemical signals with help of the chemoreceptors to identify the taste. The fishes have sensitive receptors which are along the lateral line system and they can detect and sense the currents and vibrations which helps in analyzing the motion. The lateral line helps in detecting water currents and it helps in navigation. The fishes also have mechanoreceptors and they help in detecting movement of water around their bodies. The fishes also have heightened olfactory senses which are in the nasal opening and it helps them to detect scent in the water.

In humans, the sensory system is controlled and handled by the sensory nervous system and it helps in processing various sensory information. The sensory system in human consists of vision, touch, smell, hearing and balance. The sensory cells helps in transmission of the signals through the whole neural system. The chemoreceptors, photoreceptors, mechanoreceptors and thermoceptors receive the stimulu and they are able to send the signal in form of action potential which is carried to the brain by neurons and it sends back the response. The chemoreceptors are able to respond to electrical action potential and hence helps in receiving taste. The photoceptors helps with phototransduction and it helps in converting light to different colors. The mechanoreceptors are able to respond to different types of mechanical forces like distortion, mechanical pressure etc.