When we get up suddenly, we may experience dizziness. This dizziness may be due to a sudden drop in blood pressure. Indeed, when we go...
Sweating is an essential physiological process for the human body. It is controlled by the autonomic nervous system and regulated by sweat glands. When the...
Hiccups are caused by a sudden and involuntary contraction of the diaphragm, the main muscle of respiration. This contraction leads to a rapid closure of...
When ice cubes are added to a room temperature drink, they will absorb heat from the drink in order to reach their own melting temperature...
When we feel tingling while sleeping, it is usually due to pressure on nerves or blood vessels. Indeed, when we stay in a position that...
Digestion of food The digestion of food is a complex process that involves several organs. It all starts in the mouth, where food is crushed...
The color of veins is primarily influenced by the skin pigment. Indeed, the skin contains pigments such as melanin, which absorb and reflect light in...
Honey has antiseptic properties due to its content of sugars, gluconic acid, and hydrogen peroxide, which give it antibacterial abilities. These elements work together to...
When we sneeze, our eyelids involuntarily close in order to protect our eyes from potentially harmful particles that may be expelled into the air during...
The eyelids close to protect the cornea against foreign particles and damage. This rapid and automatic blinking ensures the safety of the eye surface against...
