The control and coordination in human beings take place through nervous system and hormonal system which is called endocrine system. The five sense organs in our body, eyes, ears, nose, tongue and ...

Add Yahoo as a preferred source to see more of our stories on Google. If you have hay fever, you’ve probably been sneezing a lot lately. Sneezing is universal but also quite unique to each of us. It ...

What is the evolutionary advantage to Homo sapiens in having a prominent nose, as most other primates have flat noses? The nose serves two main purposes: to moisten the air we breathe and to warm it.

Stimuli are changes in our environment that we respond to and are detected by receptors. Different receptors are sensitive to different stimuli (eg receptors in the eye are sensitive to light). A ...

Until now the sensory neurons inside the tooth were primarily thought to send pain signals to the brain, but a new study shows those neurons are multitaskers that also trigger a jaw-opening reflex ...

While a reflex action is an involuntary step taken in response to stimuli, walking is a voluntary action. Let’s understand the difference between a reflex action and walking in detail. When you walk, ...