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Respiratory System: Parts, Function, Organs and Diseases

Respiratory System Definition

The respiratory system, also known as the respiratory apparatus or the ventilatory system, is a system that allows you to breathe. The respiratory system is a biological system in animals and plants that consists of specialised organs and structures for gas exchange, but the anatomy and physiology that allows this to happen varies widely depending on a variety of circumstances. The parameters are determined by the organism’s size, its environment, and its evolutionary history.

Respiratory System Parts and Functions

The respiratory surface of land animals is internalised as lungs’ linings, and gas exchange in the lungs happens in millions of minute air sacs. These little air sacs are referred to as alveoli in mammals and reptiles, and atria in birds.
The blood supply to these small air sacs is abundant. They bring the air into close touch with the blood before communicating with the outside world. This connection is accomplished through a series of airways, or hollow tubes, the largest of which is the trachea. The trachea divides into two main bronchi in the middle of the chest, which enter the lungs and branch into progressively narrower secondary and tertiary bronchi. These branch out into a slew of bronchioles. In animals, it is the bronchioles that open into the minuscule alveoli. The process of breathing, which involves the muscles of respiration, must pump air from the environment into the alveoli.

Respiratory System Diagram

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Respiratory Systems

Respiratory System Organs in Anatomy

Horses are required to breathe via their noses. They are unable to breathe via their mouth and must instead breathe through their nostrils.
Furthermore, the elephant is the only mammal with no pleural gap, and both the parietal and visceral pleurae are made up of dense connective tissue. These are connected through loose connective tissue. The absence of a pleural gap, as well as a diaphragm that is exceptionally thick, are regarded to represent evolutionary adaptations. It permits the elephant to breathe through its trunk while submerged for long periods of time. The lungs are connected to the diaphragm, and the diaphragm is primarily responsible for breathing.
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Respiratory System Function in Aquatic Animals

The respiratory system of aquatic animals is made up of gills. These gills are external organs, either partially or entirely. Water passes over the gills in a variety of active and passive ways, and the gills’ gas exchange system is made up of thin or extremely flat filaments and lamellae that expose a huge surface area of highly vascularized tissue to the water.

Respiratory System Function in  Animals/Insects

In insects, there are respiratory systems with very basic anatomical properties. Even the skin of amphibians plays an important function in gas exchange. Plants have respiratory systems as well, although the directionality of gas exchange differs from that of animals, and includes physical elements such as stomata present throughout the plant.

Respiratory System in Hindi Meaning

श्वसन प्रणाली, जिसे श्वसन तंत्र या वेंटिलेटरी सिस्टम के रूप में भी जाना जाता है, एक ऐसी प्रणाली है जो आपको सांस लेने की अनुमति देती है। श्वसन प्रणाली जानवरों और पौधों में एक जैविक प्रणाली है जिसमें गैस विनिमय के लिए विशेष अंग और संरचनाएं होती हैं, लेकिन शरीर रचना और शरीर विज्ञान जो इसे होने की अनुमति देता है, विभिन्न परिस्थितियों के आधार पर व्यापक रूप से भिन्न होता है। पैरामीटर जीव के आकार, उसके पर्यावरण और उसके विकासवादी इतिहास द्वारा निर्धारित किए जाते हैं। जमीन के जानवरों की श्वसन सतह फेफड़ों के अस्तर के रूप में आंतरिक होती है, और फेफड़ों में गैस का आदान-प्रदान लाखों मिनट की वायु थैली में होता है। इन छोटे वायुकोशों को स्तनधारियों और सरीसृपों में एल्वियोली और पक्षियों में अटरिया कहा जाता है।
इन छोटी वायुकोशों में रक्त की आपूर्ति प्रचुर मात्रा में होती है। वे बाहरी दुनिया के साथ संचार करने से पहले हवा को रक्त के निकट संपर्क में लाते हैं। यह कनेक्शन वायुमार्ग, या खोखले ट्यूबों की एक श्रृंखला के माध्यम से पूरा किया जाता है, जिनमें से सबसे बड़ा श्वासनली है। श्वासनली छाती के बीच में दो मुख्य ब्रांकाई में विभाजित होती है, जो फेफड़े और शाखा में उत्तरोत्तर संकरी माध्यमिक और तृतीयक ब्रांकाई में प्रवेश करती है। ये शाखा ब्रोंचीओल्स के एक समूह में बदल जाती है। जानवरों में, यह ब्रोन्किओल्स हैं जो माइनसक्यूल एल्वियोली में खुलते हैं। सांस लेने की प्रक्रिया, जिसमें श्वसन की मांसपेशियां शामिल हैं, को वातावरण से वायु को एल्वियोली में पंप करना चाहिए।
जलीय जंतुओं का श्वसन तंत्र गलफड़ों का बना होता है। ये गलफड़े बाहरी अंग हैं, या तो आंशिक रूप से या पूरी तरह से। पानी विभिन्न प्रकार के सक्रिय और निष्क्रिय तरीकों से गलफड़ों के ऊपर से गुजरता है, और गलफड़ों की गैस विनिमय प्रणाली पतली या अत्यंत सपाट तंतुओं और लैमेली से बनी होती है जो पानी के लिए अत्यधिक संवहनी ऊतक के एक विशाल सतह क्षेत्र को उजागर करती है।
कीड़ों में, बहुत ही बुनियादी शारीरिक गुणों वाले श्वसन तंत्र होते हैं। उभयचरों की त्वचा भी गैस विनिमय में महत्वपूर्ण भूमिका निभाती है। पौधों में श्वसन प्रणाली भी होती है, हालांकि गैस विनिमय की दिशा जानवरों से भिन्न होती है, और इसमें पूरे पौधे में मौजूद रंध्र जैसे भौतिक तत्व शामिल होते हैं।

Respiratory System of Honey Bee

Lungs are not present in bees. They do, however, have tracheal sacs, which are found in the head and throughout the body. Bees breathe by inhaling through spiracles, which are ten pairs of openings. Old air is squeezed from the tracheal sacs as a bee contracts its abdominal muscles. It leaves the body via the spiracles. Fresh air is taken in through the spiracles and into the tracheal system as the abdomen relaxes again. It is then circulated throughout the body, including the brain, thorax, and abdomen. Valves in bees regulate the flow of air into and out of the spiracles.

Human Respiratory System Anatomy

Humans have a complex respiratory system with many different parts that work together to help you breathe, and each group of parts has its own set of components.
Mouth and nose; Sinuses, which are hollow areas between the bones in your head that help regulate the temperature of inhaled air; Pharynx or the windpipe; Trachea, the passage connecting throat and lungs; Bronchial tubes, which connect into each lung; and Lungs are the airways that deliver air to the lungs. The circulation transports oxygen from the lungs to all of the human organs and tissues.
Muscles and bones are also essential because they aid in the movement of air into and out of the lungs.
The blood takes carbon dioxide and other waste out of the body as you breathe out. The respiratory system also includes alveoli, bronchioles, capillaries, lung lobes, and the pleura.

FAQs on Respiratory System

What is the respiratory system’s primary function?

The primary function of the respiratory system is to bring fresh air into your body while eliminating waste gases.

What does the term “respiratory system” mean?

The organs involved in breathing are referred to as the respiratory system.

What exactly is an alveolar sac?

Alveolar sacs are tiny air sacs at the end of the bronchioles.

What is the respiratory system’s primary organ?

The lungs are the most important organ in the respiratory system.

What is the definition of inhalation?

Inhalation is the process of bringing oxygen-rich air into the body when breathing.

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FAQs

What is the respiratory system's primary function?

The primary function of the respiratory system is to bring fresh air into your body while eliminating waste gases.

What does the term "respiratory system" mean?

The organs involved in breathing are referred to as the respiratory system.

What exactly is an alveolar sac?

Alveolar sacs are tiny air sacs at the end of the bronchioles.

What is the respiratory system's primary organ?

The lungs are the most important organ in the respiratory system.

What is the definition of inhalation?

Inhalation is the process of bringing oxygen-rich air into the body when breathing.

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