What is the Muscular System? The muscular system is made up of all the muscles in the human body, which allow: Voluntary and involuntary movement The support of the skeleton Heat production The internal transport...

What is the respiratory system and how does it work? The respiratory system is the complex of organs and tissues responsible for gas exchange between the external environment and our bodies. Thanks to it, we...

What is the digestive system and how does it work? The digestive system is the complex of organs responsible for digesting food , absorbing nutrients, and eliminating waste. It is essential to our daily well-being....

What is the immune system and how does it work? The immune system is our first line of defense against viruses, bacteria, fungi, and other pathogens. Its main function is: - Protect the body from...

What is the lymphatic system and what is it for? The lymphatic system is a fundamental part of our body, closely linked to both the circulatory system and the immune system . Its main function...

What is the circulatory system? The circulatory system is responsible for carrying oxygen, nutrients, and hormones to cells and removing waste substances such as carbon dioxide. It is composed of: - Heart , which pumps...

Introduction to the Nervous System The nervous system is a complex network of highly specialized cells that receive, transmit, and process bioelectrical signals to allow the body to respond to internal and external stimuli. It...

Introduction to prostaglandins Prostaglandins are hormone-like substances that regulate numerous physiological processes, including inflammation, pain, and blood clotting. When the body suffers damage or infection, these molecules are released to stimulate a defense response. However,...

What is acetylcholine and why is it important? Acetylcholine is a key neurotransmitter in the central and peripheral nervous systems. It plays a crucial role in several biological functions, including: - Memory and learning -...