Health & Social Care Level 3 - Unit 5 Anatomy & Physiology P3 Essay

Digestive system
The digestive system’s function is to process food into energy and nutrients for the body. This consists of many stages such as ingestion, secretion, digestion, absorption and excretion.
Renal/excretory system
The excretory system’s function is remove excess waste from the body such as water and salts. It is also eliminates urea (nitrogen-containing waste).
P3 – Outline the gross structure of all the main body systems.

Kidney – is located below the diaphragm in the back of the abdominal cavity. The kidneys are found one on each side of the body. The left kidney is slightly higher and larger than the right because of the liver. They are also bean shaped.

Gut – the gut also known as the gastrointestinal tract is a long tube that begins at the mouth and ends at the anus. It is an essential part of the digestive system.

Ureters – these are long tubular like structures that are located between the kidney and bladder. The ureter is a duct which passes urine to the bladder.

Liver – is found below the diaphragm on the right side of the abdomen. It is the largest internal organ and overlaps the stomach. The liver is large and dark red. It has many purposes such as removing drugs & alcohol from the blood and storing iron.

Pancreas – is located between the intestine and stomach, in the abdomen. Its characteristics are small and leaf shaped. The pancreas produces hormones to maintain glucose levels.
Bladder – the bladder is found in the abdomen between the ureter & urethra and in the lower pelvis at the front. It is a muscular bag and spherical shaped. The bladder stores urine until it is excreted.

Circulatory system
The circulatory system is made up of a composition of the heart and different types of blood vessels such as veins, arteries and capillaries. The circulatory system is also referred to as the cardiovascular system and its function is to transport oxygen, nutrients and waste products around the body.