The Internal Environment of Multicellular Organism

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Card 1: Internal Environment of Multicellular Organism

Internal Environment of Multicellular Organism

The internal environment of a multicellular cell is referring to the medium surrounding the cell. It consists of blood plasma and interstitial fluid. (Also named as the extracellular fluid)

Card 2: What is homeostasis?

Homeostasis

Homeostasis is the property of a system, especially a living organism, that regulates its internal environment so as to maintain a stable, constant condition.

Card 3: Name the factors that affect the internal environment of the cell in human body which must be kept constant.

Factors Affecting the Internal Environment.

  1. Body temperature
  2. pH value of the blood
  3. Sugar level of the blood
  4. Blood pressure
  5. Osmotic pressure of the blood
  6. Concentration of the oxygen and carbon dioxide in the blood
Card 4: What is the importance of homeostasis?

Importance of Homeostasis

Maintaining a suitable environment for all the enzyme function efficienly, and hence enable all biochemical reactions been carried out at their maximum rate.

Card 5: Systems involve in thermoregulation in humans

Regulation of body temperature

Nervous system Detect changes in body temperature
Integumentary system Produces sweat when the surrounding is hot.
Circulatory system Transports and distributes heat evenly through out the body
Muscular system Shivering to produce heat when the surrounding is cool.
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