This is a quiz on the diagram of the human respiratory system.
This page contains an online biology worksheet on the human respiratory system diagram for children to review. This system is responsible for taking in the oxygen we need and expelling carbon dioxide that has been rejected by the body. Breathing in and out carries air to the lungs which get into contact with a surface of cells that absorb it and circulate in it the blood. The main unit in the respiratory system are the lungs. That is why if you are sick of pneumonia from Covid 19, your lungs get affected and you die from suffocation. The latter is caused by the inability for the alveoli to capture the oxygen that gets into the blood.
Due to the rise of air pollution and some bad habits like smoking that some people pick up along the way, our lungs are beginning to suffer from a lot of damage. It is important to live healthy lifestyles to maintain our lungs healthy too.
The lungs play a vital role in the respiratory system and generally speaking, without our lungs, we cannot survive. To learn the anatomy of the lungs easily, play this game until you get all the position of the labels right. This game can be used in the classroom to review this skill or at home to teach children. The human respiratory system quiz, respiratory system diagram and more. Teach children biology in 2nd, 3rd, 4th, 5th, 6th, and 7th grade.
The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. The main organs of the respiratory system are the lungs, which are responsible for gas exchange. The respiratory system also includes the trachea, bronchi, bronchioles, and alveoli.
The respiratory process begins when you inhale, or breathe in. Air enters the body through the nose or mouth and passes through the pharynx (throat) and larynx (voice box). The larynx contains the vocal cords, which produce sound when they vibrate.
From the larynx, air passes through the trachea (windpipe) and into the bronchi. The bronchi are tubes that branch off from the trachea and lead to the lungs. The bronchi further divide into smaller tubes called bronchioles.
At the end of the bronchioles are tiny, balloon-like structures called alveoli. It is in the alveoli where the exchange of oxygen and carbon dioxide takes place. Oxygen from the air passes through the walls of the alveoli and into the bloodstream, while carbon dioxide in the bloodstream passes into the alveoli to be exhaled out of the body.
The respiratory system also includes muscles that help with breathing, such as the diaphragm and intercostal muscles. The diaphragm is a dome-shaped muscle located at the bottom of the ribcage that contracts and relaxes to help move air in and out of the lungs. The intercostal muscles are located between the ribs and help lift the ribcage to expand the lungs during inhalation.