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.

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 is a protective reflex action outside our conscious control, to remove ...

The automatic eye-closing reflex during a sneeze protects your eyes and involves a complex neurological mechanism.

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 ...

Clonus reflex is a set of rhythmic, involuntary muscle movements. It is a neurological condition that affects the nerve cells that control muscle movements. Damage to the nerves, as in clonus, causes ...

Dr. Steven C. Ludwig answers the question: 'Low Back Pain And Weak Reflexes?' — -- Question: I Have Low Back Pain And Was Told My Reflexes Are Weak. What Does That Mean? Answer: Reflex tests are ...

PROF. A. C. WRIGHT contributes an interesting paper “on the nature of the physiological element in emotion” to Brain (parts 70 and 71), the object of which is to apply the results obtained by ...

When you walk, do you ever think about how your feet are moving? But it's crucial to recognize the distinction between a reflex action and walking if you want to advance your understanding of how the ...

KnowHow Team explains: When we think about any delicious food, our mouth waters because of a neurological reaction: the reflex action. A Russian scientist, Anton Pavlov first reported this, in the ...

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 ...