Question

respiration and excrition in detail​

Answer 1

Answer:

hey mate :

Respiration:

The process of breakdown of food with the release of energy is called Respiration.

Excretion:

The process of removal of nitrogenous harmful wastes from the body is called Excretion.

♥️both are life process

Answer 2

Answer:

respiration -

Respiration is the process in which organisms exchange gases between their body cells and the environment.

First, respiration may refer to external respiration or the process of breathing (inhalation and exhalation)

Secondly, respiration may refer to internal respiration, which is the diffusion of gases between body fluids (blood and interstitial fluid) and tissues.

Finally, respiration may refer to the metabolic processes of converting the energy stored in biological molecules to usable energy in the form of ATP.

This process may involve the consumption of oxygen and production of carbon dioxide, as seen in aerobic cellular respiration, or may not involve the consumption of oxygen, as in the case of anaerobic respiration.

excretion -

Excretion is this process of removal of wastes that are produced within a body. There are various organs that help in excretion of such wastes from our body. They are kidney, lungs, skin, eyes, etc.

We know that blood transports food, air, and water to different parts of our body. It also carries waste products. The human body consists of a specialized system which purifies the blood. This system is known as excretory system. An excretory system is basically composed of the following components:

• A pair of kidneys

• A pair of ureters

• Urinary bladder

• Urethra

details of every organ-

Kidney

Kidneys are bean-shaped organs in the human body. They play a vital role in the excretory system of our body. They basically act as filters in our body. Blood contains both useful and harmful substances.

Kidneys play an important role in separating useful substances by re-absorption and toxic substances by forming urine. Capillaries, which are a type of blood vessels in the kidneys, help in filtering the blood and wastes materials. It then converts these into the urine.

Urinary Bladder, Ureter, and Urethra

Urine, thus formed, passes on to the urinary bladder via ureter. Through the urinary opening at urethra, we excrete urine. Urine consists of 95% water, 2.5% urea and 2.5% other wastes. This system expells from time to time.

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