The heart has four main chambers: the right atrium, right ventricle, left atrium, and left ventricle. The heart's valves ensure blood flows in the correct direction and include the tricuspid, ...

Neurons, also known as nerve cells, send and receive signals throughout your nervous system. While neurons have a lot in common with other types of cells, they’re structurally and functionally unique.

The brain is the “control center” of the body. Together with the spinal cord, it makes up the central nervous system. Various parts of the brain are responsible for movement, breathing, and other ...

Female anatomy includes the internal and external structures, including those responsible for hormones, reproduction, and sexual activity. The female reproductive system is essential for hormone ...

One of the questions we receive quite regularly is where to find parts. Sooner or later, it’s likely you’ll need a part for your locomotive or rolling stock. It could be as simple as replacing ...

Your eye is a slightly asymmetrical globe, about an inch in diameter. The front part (what you see in the mirror) includes: Just behind the iris and pupil lies the lens, which helps focus light on the ...

When people talk about the vagina, they're probably referring to the vulva, which the Cleveland Clinic confirms is the umbrella name given to the female (or assigned female at birth's) external ...

Your heart is an amazing organ. It continuously pumps oxygen and nutrient-rich blood throughout your body to sustain life. This fist-sized powerhouse beats (expands and contracts) 100,000 times per ...

The brain is a complex organ that controls thought, memory, emotion, touch, motor skills, vision, breathing, temperature, hunger and every process that regulates our body. Together, the brain and ...

How does the urinary system work? The urinary system's function is to filter blood and create urine as a waste by-product. The organs of the urinary system include the kidneys, renal pelvis, ureters, ...

This solution contains a collection of web parts that make it easy to embed various types of diagrams in pages. The Mermaid diagram web part allows you to use simple text to create flowcharts, gantt ...