Biology Chapter 13: Respiration and Excretion

Vocabulary Words	Objectives
13:1  The Role of Respiration	page 264
respiratory system	Define the role of the respiratory system. Explain why cells need oxygen and give off carbon dioxide. Compare the respiratory system of  different animals.
13:2  Human Respiratory System	page 267
epiglottis trachea bronchi alveoli diaphragm	Give the function of the different parts of the respiratory system. Compare the pathways of gases as they enter and leave the body. Sequence the movement of the diaphragm and ribcage during the breathing process.
13:3  Problems of the Respiratory System	page 272
carbon monoxide pneumonia emphysema	Relate the effects of carbon monoxide poisoning and how to avoid the gas. Explain the cause of pneumonia. Describe emphysema.
13:4   The Role of Excretion	page 274
excretory system urea ureter urinary bladder uretha nephron urine	Discuss the importance of the excretory system. Sequence the steps for filtering the blood in a kidney. Describe the skin as part of the excretory system.