Category: Body systems

While the human body may appear symmetrical from the outside, its internal organ placement is not. In fact, several critical organs, including many that answer the question *What main organ is on your left side?*, are situated predominantly on the left side of the body.

While many people worry about a heart attack, statistics show that more than half of chest pain cases seen in emergency departments have non-cardiac causes. So, **what does it mean when your upper middle chest hurts**? The causes can range from benign conditions like acid reflux to more serious issues, emphasizing the importance of a proper medical evaluation.

Approximately 180 liters of fluid are filtered by the kidneys each day, with most being reabsorbed and only about 1–2 liters becoming urine. This vital and continuous process is just one of many ways your body knows how to excrete waste from the body, ensuring all its systems run smoothly for optimal health.

Anatomically, the lower extremity, or lower limb, refers to everything from the hip joint to the toes. Therefore, the upper extremities (arms), the head, and the trunk (torso) are all body regions that answer the question: **what is not part of the lower extremity?**

Did you know a fever is not an illness but a sign your immune system is activated? Your body, in its wisdom, intentionally raises its core temperature to fight off infection, but how does a fever affect the body system in this powerful, multifaceted process?

The human body, a complex system containing an average of 206 bones in adulthood, is classically divided into distinct anatomical areas. Learning **what are the four main regions of the body** and understanding their functions can provide valuable insight into your overall health and wellness.

Approximately 60% of an adult's body weight is water, distributed across distinct areas called fluid compartments. When excess fluid accumulates in these spaces, particularly the interstitial compartment, it results in swelling known as edema. Understanding the body fluid compartments for edema is crucial to identifying the underlying causes of this common health issue.

The human body is an amazing engine, with organs like the liver, brain, and muscles generating significant heat through metabolic processes. When considering external factors, the skin is where most of the heat being absorbed from the environment happens, and understanding this balance is key to health.

The human body is typically composed of 50-60% water, but this delicate balance can sometimes be disrupted. When excess fluid accumulates in body tissues, a condition known as edema or fluid retention occurs. Understanding **what causes a lot of fluid in the body?** is crucial for proper management and recognizing serious underlying conditions.

Hundreds of medical conditions can cause systemic deterioration over time, so there is no single illness that is officially called 'the disease that breaks down your body'. This phrase refers to a variety of degenerative, autoimmune, and acute disorders that progressively weaken the body’s systems and tissues.