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03/12/2022 1:07 AM

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“The Knowledge Library”

Knowledge for All, without Barriers…

 

An Initiative by: Kausik Chakraborty.
Objective Questions on Tughlaq Dynasty (तुगलक वंश)🟢Objective Questions On Bharat me Europeano Ka Aagman (भारत में यूरोपियनों का आगमन)🟢भारतीय संविधान के विकास का इतिहास🟢1873 का चार्टर एक्ट🟢साइमन कमीशन🟢Cabinet Mission(कैबिनेट मिशन), 1946🟢माउंटबेटन योजना(Mountbatten Plan)🟢Important Points about Constituent Assembly of India🟢Constituent Assembly MCQ (संविधान सभा का वस्तुनिष्ठ प्रश्न)🟢Preamble of Indian constitution MCQ (भारतीय संविधान की प्रस्तावना वस्तुनिष्ठ प्रश्न)🟢Sources of Indian Constitution🟢Objective questions on Source of Indian Constitution (भारतीय संविधान के स्रोत का वस्तुनिष्ठ प्रश्न)🟢Schedule of Indian Constitution(भारतीय संविधान की अनुसूची)🟢Schedule of Indian constitution questions (भारतीय संविधान की अनुसूची का प्रश्न)🟢भारतीय संविधान के भाग(Parts of Indian Constitution)🟢MCQ On Parts of Indian Constitution (भारतीय संविधान के भाग का वस्तुनिष्ठ प्रश्न)🟢MCQ on the union and its territory (संघ एवं उसका राज्यक्षेत्र का वस्तुनिष्ठ प्रश्न)🟢Important Points About Indian Citizenship(भारतीय नागरिकता)🟢Objective Questions Of Indian Citizenship (भारतीय नागरिकता का वस्तुनिष्ठ प्रश्न)🟢शोषण के विरुद्ध अधिकार(Right against exploitation)

“The Knowledge Library”

Knowledge for All, without Barriers……….
An Initiative by: Kausik Chakraborty.

The Knowledge Library

Why Do Snakes Stick Out Their Tongues?

Snakes and Their Senses

Every creature has unique senses that are adapted for its survival. Some possess superior sight, hearing, taste, touch, or—like the snake—smell. Did you realize that snakes stick out their tongues in order to enhance their sense of smell?

Yes, snakes frequently use their tongues to compensate for their poor sight and hearing. Now, this doesn’t mean that the snakes’ noses don’t work; however, their sense of taste is directly linked to their sense of smell, and thus works in combination with what’s called the “Jacobson’s organ,” a patch of sensory cells. Since their tongues only possess a few select taste buds, this special organ proves to be quite useful to them.

In order to better understand how this all works, it helps to imagine everything in a series of steps.

  1. First, the snake sticks out its tongue, flicking it in the air and picking up small particles, which all contain various smells.
  2. Next, once the snake has “tasted” the air, it then retracts its particle-covered tongue. Saliva pushes the particles into Jacobson’s organ.
  3. Finally, the snake uses the organ to determine whether there’s danger, food, or romance in the air.

By the way, Jacobson’s organ isn’t just found inside of snakes. Also known as the vomeronasal organ, it also serves as part of the olfactory system in some other reptiles, and even for some mammals and amphibians as well.

Humans vs. Snakes (Sense of Smell)

Humans can sniff out molecules in the air too. Sadly, though, our sense of smell isn’t quite equal to that of the snake. For example, it’s unlikely that you could get a whiff of that delicious cake—sitting on a counter two houses away—from the comfort of your front porch. However, the snake can, in fact, smell prey from that distance. Impressive, isn’t it?

However, our sense of smell is still quite strong. Did you know that when we sniff the air, the molecules we pick up stimulate the olfactory cells in our sinuses, which then transmit information to our brains so that they can determine the origin of the scent?

This is precisely what the snake’s vomeronasal organ does, except that its flicking tongue starts the process. Once the chemicals picked up to find their way into the organ, images are sent to the snake’s brain telling it what those particular smells are.

Now you know that the next time a snake sticks out its tongue at you, it’s not necessarily thinking of eating you. And, even if it does bite you, it’s more likely done out of fear than hunger (unless it’s very, very hungry).

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