Table of Contents
What is the main system of the excretory system?
Overview. The excretory system in humans consists mainly of the kidneys and bladder. The kidneys filter urea and other waste products from the blood, which are then added to the urine within the bladder. Other organs, such as the liver, process toxins but put their wastes back into the blood.
What tissues are in the excretory system?
Epithelial tissue is present in all organs of excretory system.
What is the body’s main organ of excretion What are other organs in the excretory system?
The major organs of excretion are the kidneys, which are part of the body’s excretory system. The other organs of the excretory system include the ureters, bladder, and urethra. Briefly describe the process of filtration and urine production that occurs in the nephrons. The nephrons filter wastes in stages.
What are the different parts of human excretory system explain with the help of a diagram?
The excretory system in human beings includes a pair of kidneys, a pair of ureters, urinary bladder and urethra. Kidneys remove the waste products from the blood and form urine. Kidneys are two bean-shaped structures located at the back of the abdomen, one on either side of the vertebral column.
What is the main function of the excretory system quiz?
The excretory system of the body controls the fluids of the body, including removing excess and unnecessary fluids from the body. The excretory organs include the kidneys, lungs, liver, and the skin.
What are the main organs of excretory system answer?
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.
What does the nephron do in the excretory system?
The nephron is responsible for filtration, excretion and resorption. It filters out small molecules from plasma, selectively re-absorbs most of the water, and some of the molecules, and also secretes some secretory products into the filtrate. The end product is urine.
What are the parts of the human excretory system?
The human excretory system consists of a pair of kidneys, a pair of ureters, a urinary bladder and a urethra. The waste substances dissolved in the blood are carried to the kidneys for filtration.
Are there any animals that have an excretory system?
There are no special excretory organs in lower animals like hydra, amoeba, and sponges. The plant produces a number of waste products during its life process. It can rid of excess water by transpiration. The main waste products produced by the plant are carbon dioxide, water vapour and oxygen.
Why is the excretory system important to life on Earth?
The excretory system is necessary for preventing the toxic build up of nitrogenous wastes, such as ammonia or urea. However, the excretory system of animals has evolved in many different ways since the dawn of life on Earth. In fish and aquatic animals, the excretory system is fairly simple.
What happens when the excretory system is not functioning?
When the excretory system is not functioning, bad things can happen. A build-up of urea within the blood can lead to a debilitating toxic shock. In other animals, the excretory system can include a number of other components. For example, sea turtles have excretory organs near their eyes which remove large amounts of salt from their bodies.