What is the main function of the respiratory system quizlet?

What is the main function of the respiratory system quizlet?

The primary function of the respiratory system is to supply the blood with oxygen in order for the blood to deliver oxygen to all parts of the body. The respiratory system does this through breathing.

What are the 4 main functions of the respiratory system?

Function

  • Gas Exchange – oxygen and carbon dioxide.
  • Breathing – movement of air.
  • Sound Production.
  • Olfactory Assistance – sense of smell.
  • Protection – from dust and microbes entering body through mucus production, cilia, and coughing.

What is the main function of the respiratory system and how is it structured?

Respiration by the respiratory system supplies the oxygen needed by cells for aerobic cellular respiration and removes the carbon dioxide produced by cells during cellular respiration. Respiration by the respiratory system actually involves two subsidiary processes. One process is ventilation or breathing.

What is the two main function of the respiratory system?

The main functions of the respiratory system are to obtain oxygen from the external environment and supply it to the cells and to remove from the body the carbon dioxide produced by cellular metabolism.

What is the most important part in the respiratory system?

The Lungs. The lungs are paired, cone-shaped organs which take up most of the space in our chests, along with the heart. Their role is to take oxygen into the body, which we need for our cells to live and function properly, and to help us get rid of carbon dioxide, which is a waste product.

What organs are involved in respiratory system?

The respiratory system takes up oxygen from the air we breathe and expels the unwanted carbon dioxide. The main organ of the respiratory system is the lungs. Other respiratory organs include the nose, the trachea and the breathing muscles (the diaphragm and the intercostal muscles).

What are the 12 parts of the respiratory system and their functions?

The respiratory system is made up of the organs included in the exchange of oxygen and carbon dioxide….These are the parts:

  • Nose.
  • Mouth.
  • Throat (pharynx)
  • Voice box (larynx)
  • Windpipe (trachea)
  • Large airways (bronchi)
  • Small airways (bronchioles)
  • Lungs.

What is the structure and function of the lungs?

The lungs are a pair of spongy, air-filled organs located on either side of the chest (thorax). The trachea (windpipe) conducts inhaled air into the lungs through its tubular branches, called bronchi. The bronchi then divide into smaller and smaller branches (bronchioles), finally becoming microscopic.

What is respiratory system with diagram?

The primary organs of the respiratory system are the lungs, which function to take in oxygen and expel carbon dioxide as we breathe. The gas exchange process is performed by the lungs and respiratory system. Air, a mix of oxygen and other gases, is inhaled. In the throat, the trachea, or windpipe, filters the air.

Which two respiratory infections are caused by viruses?

Common viral respiratory diseases are illnesses caused by a variety of viruses that have similar traits and affect the upper respiratory tract. The viruses involved may be the influenza viruses, respiratory syncytial virus (RSV), parainfluenza viruses, or respiratory adenoviruses.

What are the functions of the respiratory system?

What does the respiratory system do? The respiratory system has many functions. 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.

How does the digestive system and respiratory system work together?

The digestive, circulatory, and respiratory systems all work together, with the digestive system keeping the other two healthy by sending enough nutrients, so the lungs can continue to exchange oxygen for carbon dioxide and the blood vessels can carry this oxygen to the whole body, including the digestive tract.

How are red blood cells used in the respiratory system?

The bloodstream delivers oxygen to cells and removes waste carbon dioxide through internal respiration, another key function of the respiratory system. In this respiratory process, red blood cells carry oxygen absorbed from the lungs around the body, through the vasculature.

How are muscles and bones involved in the respiratory system?

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. 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: