When the human body is in an upright position, gravity has a significant influence on blood circulation. Indeed, blood tends to be pulled downwards, leading...
When we cry, our eyes tend to become red. This redness is mainly due to the increase in blood flow around the eyes. Indeed, when...
The human skin is made up of several layers. The outer layer, called the epidermis, plays a crucial role in protecting against external aggressions. It...
The loss of lymphatic fluid during the night can play a role in the appearance of dark circles under the eyes upon waking up. The...
Pollen is a fine powder produced by flowering plants to reproduce. Plants release pollen into the air so that it can be transported to other...
Fever is a natural response of the immune system to an infection or illness. When the body detects the presence of pathogens, it releases chemicals...
Sleep serves many essential functions for the proper functioning of the body and brain. Here are the main functions of sleep: 1. Physical recovery: During...
Having good posture helps relieve pressure on the spine by distributing the body weight harmoniously. It prevents premature wear on the joints and reduces the...
Saliva has antibacterial properties due to the presence of various bioactive compounds. In fact, saliva contains enzymes such as lysozyme, which acts by degrading the...
At altitude, atmospheric pressure gradually decreases as one goes higher. This decrease in pressure can have an impact on passengers' ears during a flight. When...
