What is meant by homeostatis?

Question

Answer

Ability to maintain constant internal environment by not bothering about the outside

Answer

Can you give me some organisms that does homeostasis

Answer

Maintaing of constant temperature inside human body.It is done by hypothalamus gland.

Answer

Homeostasis refers to the ability of an organism to maintain the internal environment of the body within limits that allow it to survive.

Answer

**Homeostasis** is a vital concept in biology that refers to the ability of an organism or a system to maintain internal stability and balance in response to changes in its external or internal environment. The term was coined by Walter Cannon in 1926 and is derived from the Greek words 'homeo' meaning 'similar' and 'stasis' meaning 'standing still.'

**Importance of Homeostasis:**
Homeostasis is crucial for the proper functioning and survival of living organisms. It ensures that various physiological processes are regulated within a narrow range of optimal conditions, allowing cells, tissues, and organs to work together harmoniously. Without homeostasis, organisms would be unable to adapt and respond to environmental changes, leading to dysfunction and even death.

**Mechanisms of Homeostasis:**

Homeostasis is maintained through a series of intricate mechanisms that monitor and regulate various physiological parameters. These mechanisms can be broadly classified into three categories:

1. **Sensors or Receptors:** These specialized cells or structures detect changes in the internal or external environment and send signals to the control center. Examples include thermoreceptors that detect changes in body temperature and chemoreceptors that monitor blood pH levels.

2. **Control Center:** The control center receives information from the sensors and processes it to determine the appropriate response. In vertebrates, the control center is often the brain or specific regions within it, such as the hypothalamus. The control center compares the current conditions with the desired set point and sends signals to effectors.

3. **Effectors:** Effectors are the organs, tissues, or cells that carry out the response directed by the control center. They act to restore balance and maintain homeostasis. Examples of effectors include muscles that contract or relax to regulate body temperature and sweat glands that produce sweat to cool the body.

**Examples of Homeostasis:**

Several examples of homeostasis can be observed in the human body:

1. **Thermoregulation:** The body maintains a constant internal temperature of around 37 degrees Celsius through the coordination of various mechanisms, such as sweating, shivering, and blood vessel constriction or dilation.

2. **pH Balance:** The blood pH is tightly regulated around a slightly alkaline level of 7.4. When the pH deviates from this range, the body activates mechanisms to restore it to normal, such as increased respiration to remove excess carbon dioxide.

3. **Blood Glucose Regulation:** The body closely monitors blood glucose levels to ensure they remain within a narrow range. When glucose levels rise after a meal, the hormone insulin is released to facilitate glucose uptake by cells and lower blood sugar levels.

In conclusion, homeostasis is a fundamental biological process that enables living organisms to maintain internal stability and balance. It involves the coordination of sensors, control centers, and effectors to regulate various physiological parameters. Homeostasis is crucial for the proper functioning and survival of organisms, as it allows them to adapt and respond to changes in their environment.

Answer

Its properties of human body to maintain its constant body temperature with surrounding.

Answer

Ability to maintain constant internal environment in response to environmental changes.

Top Courses for NEETView all

Biology Class 11

Daily Test for NEET Preparation

NEET Mock Test Series 2025

Topic-wise MCQ Tests for NEET

Physics Class 11

Top Courses for NEET

Top Courses for NEET

Suggested Free Tests

Related Content

About NEET

NEET Preparation Material

How to Prepare for NEET Exam?

NCERT Based Study Material

NEET Mock Tests

Other Popular Exams

Company