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Respiratory System Of Human Body Parts And Functions Pdf

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The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. The primary organs of the respiratory system are the lungs , which carry out this exchange of gases as we breathe. The lungs work with the circulatory system to pump oxygen-rich blood to all cells in the body.

Human respiratory system , the system in humans that takes up oxygen and expels carbon dioxide.

Human respiratory system

The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs, and blood vessels. The muscles that power your lungs are also part of the respiratory system.

These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide. The respiratory system has many functions. Besides helping you inhale breathe in and exhale breathe out , it:. The respiratory system has many different parts that work together to help you breathe. Each group of parts has many separate components. Your airways deliver air to your lungs.

Your airways are a complicated system that includes your:. Muscles and bones help move the air you inhale into and out of your lungs.

Some of the bones and muscles in the respiratory system include your:. When you breathe out, your blood carries carbon dioxide and other waste out of the body. Other components that work with the lungs and blood vessels include:.

Many conditions can affect the organs and tissues that make up the respiratory system. Some develop due to irritants you breathe in from the air, including viruses or bacteria that cause infection. Others occur as a result of disease or getting older. Conditions that can cause inflammation swelling, irritation, and pain or otherwise affect the respiratory system include:.

Contact your provider if you have breathing trouble or pain. Your provider will listen to your chest, lungs, and heartbeat and look for signs of a respiratory issue such as infection.

To see if your respiratory system is working as it should, your healthcare provider may use imaging tests such as a CT scan or MRI. These tests allow your provider to see swelling or blockages in your lungs and other parts of your respiratory system.

Your provider may also recommend pulmonary function tests , which will include spirometry. A spirometer is a device that can tell how much air you inhale and exhale. See your doctor for regular checkups to help prevent serious respiratory conditions and lung disease. Early diagnosis of these issues can help prevent them from becoming severe.

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We do not endorse non-Cleveland Clinic products or services. Respiratory System Your respiratory system is the network of organs and tissues that help you breathe. This system helps your body absorb oxygen from the air so your organs can work. It also cleans waste gases, such as carbon dioxide, from your blood. Common problems include allergies, diseases or infections.

Appointments What is the respiratory system? What does the respiratory system do? Besides helping you inhale breathe in and exhale breathe out , it: Allows you to talk and to smell. Brings air to body temperature and moisturizes it to the humidity level your body needs. Delivers oxygen to the cells in your body. Removes waste gases, including carbon dioxide, from the body when you exhale. Protects your airways from harmful substances and irritants.

What are the parts of the respiratory system? Your airways are a complicated system that includes your: Mouth and nose: Openings that pull air from outside your body into your respiratory system. Sinuses: Hollow areas between the bones in your head that help regulate the temperature and humidity of the air you inhale.

Pharynx throat : Tube that delivers air from your mouth and nose to the trachea windpipe. Trachea: Passage connecting your throat and lungs. Bronchial tubes: Tubes at the bottom of your windpipe that connect into each lung. Lungs: Two organs that remove oxygen from the air and pass it into your blood. From your lungs, your bloodstream delivers oxygen to all your organs and other tissues. Some of the bones and muscles in the respiratory system include your: Diaphragm: Muscle that helps your lungs pull in air and push it out Ribs: Bones that surround and protect your lungs and heart When you breathe out, your blood carries carbon dioxide and other waste out of the body.

Other components that work with the lungs and blood vessels include: Alveoli: Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place. Bronchioles: Small branches of the bronchial tubes that lead to the alveoli. Capillaries: Blood vessels in the alveoli walls that move oxygen and carbon dioxide. Lung lobes: Sections of the lungs — three lobes in the right lung and two in the left lung.

Pleura: Thin sacs that surround each lung lobe and separate your lungs from the chest wall. Some of the other components of your respiratory system include: Cilia: Tiny hairs that move in a wave-like motion to filter dust and other irritants out of your airways. Epiglottis: Tissue flap at the entrance to the trachea that closes when you swallow to keep food and liquids out of your airway.

Larynx voice box : Hollow organ that allows you to talk and make sounds when air moves in and out. What conditions affect the respiratory system? Conditions that can cause inflammation swelling, irritation, and pain or otherwise affect the respiratory system include: Allergies: Inhaling proteins, such as dust, mold, and pollen, can cause respiratory allergies in some people.

These proteins can cause inflammation in your airways. Asthma: A chronic long-term disorder, asthma causes inflammation in the airways that can make breathing difficult. Infection: Infections can lead to pneumonia inflammation of the lungs or bronchitis inflammation of the bronchial tubes. Common respiratory infections include the flu influenza or a cold. Aging: Lung capacity decreases as you get older. Damage: Damage to the respiratory system can cause breathing problems.

How can I keep my respiratory system healthy? Being able to clear mucus out of the lungs and airways is important for respiratory health. To keep your respiratory system healthy, you should: Avoid pollutants that can damage your airways, including secondhand smoke, chemicals, and radon a radioactive gas that can cause cancer. Wear a mask if you are exposed to fumes, dust or other types of pollutants for any reason.

Avoid smoking yourself. Don't smoke. Eat a healthy diet with lots of fruits and vegetables and drink water to stay hydrated Exercise regularly to keep your lungs healthy. Prevent infections by washing your hands often and getting a flu vaccine each year. When should I call a healthcare provider about an issue with my respiratory system? Show More.

Respiratory System

Human respiratory system , the system in humans that takes up oxygen and expels carbon dioxide. The human gas-exchanging organ, the lung , is located in the thorax, where its delicate tissues are protected by the bony and muscular thoracic cage. The lung provides the tissues of the human body with a continuous flow of oxygen and clears the blood of the gaseous waste product, carbon dioxide. Atmospheric air is pumped in and out regularly through a system of pipes, called conducting airways, which join the gas-exchange region with the outside of the body. The airways can be divided into upper and lower airway systems.

Respiratory System

The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs, and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide. The respiratory system has many functions.

5.01 Respiratory System Function

The respiratory system also helps us to smell and create sound. The following are the five key functions of the respiratory system.

Respiratory System: Our Avenue for Gas Exchange

If your institution subscribes to this resource, and you don't have a MyAccess Profile, please contact your library's reference desk for information on how to gain access to this resource from off-campus. Please consult the latest official manual style if you have any questions regarding the format accuracy. The reader states the functions of the respiratory system and relates the structural organization of the system to its functions. Describes the exchange of oxygen and carbon dioxide with the atmosphere and relates gas exchange to the metabolism of the tissues of the body. Defines the role of the respiratory system in acid-base balance. Lists the nonrespiratory functions of the lungs.

The respiratory system also respiratory apparatus , ventilatory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives and its evolutionary history. In land animals the respiratory surface is internalized as linings of the lungs. These microscopic air sacs have a very rich blood supply, thus bringing the air into close contact with the blood. These enter the lungs where they branch into progressively narrower secondary and tertiary bronchi that branch into numerous smaller tubes, the bronchioles. In birds the bronchioles are termed parabronchi. It is the bronchioles, or parabronchi that generally open into the microscopic alveoli in mammals and atria in birds.


Students will be able to understand the main organs and its function of respiratory system and circulatory system in the human body sytem. Topic Objectives.


Respiratory system (pulmonary system) anatomy

5 Comments

Saber H. 24.05.2021 at 03:43

Most of the organs of the respiratory system help to distribute air, but only the tiny, grape-like alveoli and the alveolar ducts are responsible for actual gas exchange.

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Percy B. 27.05.2021 at 11:29

The primary function of the respiratory system all parts of the body. lungs. These tubes branch off to each lung. Diaphragm: a strand of human resp alveoli.

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