Flashcards
Unit 3.2
Flashcards do conjunto (16)
- 1What is respiration?Respiration is the process of chemical changes to deliver energy for the cells in the body where it is needed.
- 2What is inhaling?Taking in air through the mouth or nasal cavity.
- 3Where does respiration start?In the mouth or nasal cavity as they are the first parts of the respiratory system.
- 4Define exhaling.Breathing out waste carbon dioxide and other gases in the air such as water vapour.
- 5What is the oesophagus?The food pipe that takes food to the stomach.
- 6What happens in the nasal cavity?The cilia capture any dust particles or bacteria inhaled with the air.
- 7Where do you exhale and inhale oxygen and carbon dioxide?Mouth and nasal cavity.
- 8What is the epiglottis?The flap of skin that closes the windpipe when you swallow.
- 9What is the sheet of muscle that controls your breathing?The diaphram.
- 10What are alveoli?Small sacs of air where the gas exchange in the lungs happens.
- 11How many of alveoli are inside your lungs?About 600 million.
- 12What is the Trachea also known as?Windpipe
- 13List in order the parts of the respiratory system that air passes through as it is breathed in?Nasal Cavity Mouth, Trachea, Lungs, Bronchi, Bronchioles, Alveoli
- 14What is Cilia?It is Small Hairs in the Nasal Cavity that collect Particles, Dust and Bacteria from air.
- 15Explain why Lungs work far better with Alveoli than they would without them?As Alveoli are responsible for gas exchange in Lungs.
- 16What are Bronchi?They are the largest branches stemming from the Trachea inside the Lungs.