trachea - The tube through which air travels from the mouth and nose to the lungs. Also known as the windpipe., bronchi (singular: bronchus) - The two tubes that lead from the trachea into the lungs., bronchioles (singular: bronchiole) - Small tubes that lead from the bronchi to the alveoli., alveoli (singular: alveolus) - Tiny air sacs arranged in clusters throughout the lungs. They provide a large surface area for gas exchange to take place., intercostal muscles - Muscles found between the ribs. They contract to help move air into and out of the lungs., diaphragm - A dome-shaped, flat muscle that sits underneath the ribcage. It contracts to change the volume of the chest, causing the movement of air into and out of the lungs., ribs - The bones that protect the organs in the chest., lungs - A pair of organs through which air is moved in and out when we breathe.,

CiGCSE Function of structure in the human gaseous exchange system

Afdrukken
Embedden

Scorebord

Visuele stijl

Opties

Template wisselen

Automatisch opgeslagen activiteit "" herstellen?