Respiratory System
Think Pair Share Describe what happens when you breathe.
Functions of the Respiratory System Taking in oxygen Eliminating carbon dioxide Breathing is the movement of air into and out of the lungs.
Organs of the Respiratory System Pharynx – receives air, food, and liquids from nose and mouth Larynx – Voice Box Trachea – air tube
Bronchi – 2 narrow branches of the trachea Lungs – main organs of respiration Alveoli – air sacs where gas exchange occurs
Diaphragm – large muscle that contract and relaxes to move air in and out of the lungs
Respiratory Illnesses Cold Flu Pneumonia Lung Cancer Bronchitis Asthma Emphysema
Think Pair Share How does the respiratory system maintain homeostasis in the body?
Homeostasis The muscular system interacts with the respiratory system so you can breathe.
Learning Scale … I can 4 – Research infectious agents and how they affect the body 3 – Understand the general functions of the body systems and how infectious agents may affect the system. 2 – Recognize or recall key terms: homeostasis, respiratory system, etc. 1 – With help, I know some of 2 and 3