Category: Physiology

Nociceptors are specialized to detect harmful or potentially damaging stimuli, such as extreme heat, cold, pressure, or chemical changes in...

While pain is a critical protective mechanism, the brain has the ability to regulate how much pain is felt through...

While the body part that is injured or affected sends signals via nerves to the brain, the actual experience of...

Stress hormones are primarily released during digestion not because digestion itself is inherently stressful, but rather as a preparatory response...

Blood tends to be thicker, or more viscous, in the morning due to several physiological factors that occur during sleep...

The skin is indeed a barrier, but it's a selectively permeable one. While it effectively prevents many harmful substances from...

While it's true that we lose electrolytes through sweat, the skin's ability to reabsorb them is very limited. The skin...