The Urinary System is a system of organs that produces and excretes urine from the body. Urine is a transparent yellow fluid containing unwanted wastes, mostly excess water, salts, and nitrogen compounds.

The organs of the reproductive systems are concerned with the general process of reproduction, and each is adapted for specialized tasks.

The respiratory system is situated in the thorax, and is responsible for gaseous exchange between the circulatory system and the outside world.

The digestive system anatomy and physiology for case studies, downloadable, copy-pasteable. This digestive system anatomy and physiology is special.

The heart is surrounded by fibroserous sac, the pericardium. This is composed of two layers and anchors it to the surrounding structures