Imagine that you have just been running or
Imagine that you have just been running or exercising strenuously. Please give examples of what happens to your body. How do you feel? Heart? Lungs? Chest?
30. 1 Respiratory and Circulatory Functions Practice Test Word Bank: Lungs Epiglottis Bronchioles Nose Trachea Alveoli Diaphragm Bronchi Mouth 1. 9. 8.
30. 1 Respiratory and Circulatory Functions 1. mouth nose epiglottis trachea 9. lungs bronchioles diaphragm 8. alveoli
Set Cornell Notes on pg. 29. 4 up. Central and Peripheral Nervous Systems 69 30. 1 Ions, Respiratory Functions 2. 1 Atoms, and Molecules • Topic: 30. 1 Respiratory Functions • Essential Question: 1. On pg. 69 make a respiratory system tree map describing the functions of each… • Nose & mouth • Epiglottis • Trachea • Lungs • Bronchioles • Alveoli
30. 1 Respiratory Functions KEY CONCEPT The respiratory and circulatory systems bring oxygen and nutrients to the cells.
• The respiratory system is where gas exchange occurs. – What are the gases involved with the respiratory system? sinus nose mouth epiglottis trachea lungs
– picks up oxygen from inhaled air – expels carbon dioxide and water
The respiratory system moves gases into and out of the blood. • It is the only place where gases in the blood are exchanged with gases from the atmosphere
• What happens when areas of the body do not get oxygen? • What happens when a tourniquet is put on?
Draw and label the parts of the lungs on the bottom of pg 68 trachea Bronchi or Bronchus bronchiole alveoli
• Breathing involves the diaphragm and muscles of the rib cage. • Air flows from areas of high pressure to low pressure. Air inhaled. Air exhaled. Muscles and rib cage relax. Muscles contract and rib cage expands. Diaphragm flattens and moves downward. Diaphragm relaxes and rises.
30. 2 Respiration and Gas Exchange • Review your tree map with your table. bronchioles alveoli
Functions of the parts of the respiratory system • Nose and mouth are entry points • Epiglottis regulates airflow into the trachea- and keeps food from blocking the airways • Trachea is the major airway to the lungs • Lungs are organs that absorb oxygen and exhale carbon dioxide • Bronchi are bronchioles are airways to the alveoli • **Alveoli are main sites of gas exchange; absorb oxygen
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