What Is The Human Excretory System?

What do you mean by human excretory system?

The excretory system is the system of an organism’s body that performs the function of excretion, the bodily process of discharging wastes.

The Excretory system is responsible for the elimination of wastes produced by homeostasis..

What are the 4 functions of the excretory system?

The important functions performed by the excretory system include- elimination of wastes, eliminate waste byproducts excreted by the cells, prevent the accumulation of harmful chemicals in the body, and maintain a balanced chemical concentration in the body.

What are the parts of the human excretory system?

Organs of excretion make up the excretory system. They include the kidneys, large intestine, liver, skin, and lungs. The kidneys filter blood and form urine. They are part of the urinary system, which also includes the ureters, bladder, and urethra.

How is urine created in our body?

Urine is formed in the kidneys through a filtration of blood. The urine is then passed through the ureters to the bladder, where it is stored. During urination, the urine is passed from the bladder through the urethra to the outside of the body.

Where is kidney in our body?

The kidneys are two bean-shaped organs, each about the size of a fist. They are located just below the rib cage, one on each side of your spine.

What is the function of excretory system in humans?

Excretory systems regulate the chemical composition of body fluids by removing metabolic wastes and retaining the proper amounts of water, salts, and nutrients. Components of this system in vertebrates include the kidneys, liver, lungs, and skin.

How do we pee?

You’ve Got to Go! When you’re in the bathroom, ready to go, the bladder walls contract and the sphincter (a ringlike muscle that guards the exit from the bladder to the urethra) relaxes. The urine then flows from the bladder and out of the body through the urethra. For boys, the urethra ends at the tip of the penis.

Why is Pee called pee?

Why is urine called pee? … “Pee” is a euphemistic version of the word “piss,” which hails from the Old French “pisser” (to piss). Pisser comes from the Vulgar Latin “pissiare ,” which they used as an onomatopoeia for the sound of urinating. Urinate comes from the Latin “urinare ,” meaning “to pee.”

Can you drink urine?

A healthy person’s urine is about 95 percent water and sterile, so in the short term it’s safe to drink and does replenish lost water.

What is the main excretory organ in humans?

KidneysKidneys. The paired kidneys are often considered the main organs of excretion. The primary function of the kidneys is the elimination of excess water and wastes from the bloodstream by the production of the liquid waste known as urine.

What are the 7 functions of the kidneys?

KIDNEYSRegulation of extracellular fluid volume. The kidneys work to ensure an adequate quantity of plasma to keep blood flowing to vital organs.Regulation of osmolarity. … Regulation of ion concentrations. … Regulation of pH. … Excretion of wastes and toxins. … Production of hormones.

Why excretory system is important?

The excretory system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism, so as to help maintain internal chemical homeostasis and prevent damage to the body.