Transcript Document
30.1 Respiratory and Circulatory Functions SPONGE #3 1) How does your heartbeat and breathing rates change as you go from a walk to a run? 2) In your experience, what factors may have interfered, making your breathing more difficult? (6 bullets) 30.1 Respiratory and Circulatory Functions SPONGE #3 1) How does your heartbeat and breathing rates change as you go from a walk to a run? They increase. 2) In your experience, what factors may have interfered, making your breathing more difficult? • Being out of shape High Altitude • Asthma Extremely Hot/Cold weather • Allergies • Respiratory infection • Second-hand smoke or because you ARE a smoker • Pollution • Chemical fumes • disease 30.1 Respiratory and Circulatory Functions Word Bank: Epiglottis Bronchioles Nose Trachea Alveoli Diaphragm Bronchi Mouth 30.1 Respiratory and Circulatory Functions Nose and mouth epiglottis trachea bronchi bronchioles diaphragm alveoli 30.1 Respiratory and Circulatory Functions Get out Homework • Get out a DIFFERENT color pen or pencil to correct • Trade papers with a neighbor 30.1 Respiratory and Circulatory Functions KEY CONCEPT The respiratory and circulatory systems bring oxygen and nutrients to the cells. 30.1 Respiratory and Circulatory Functions The respiratory and circulatory systems work together to maintain homeostasis. • The circulatory system transports blood and other materials to cells – brings supplies to cells – carries away wastes Oxygen-rich blood – separates oxygen-poor and oxygen-rich blood Oxygen-poor blood 30.1 Respiratory and Circulatory Functions • The system includes : – heart pumps blood throughout body Blood Vessels – arteries move blood away from heart - Oxygen-rich blood – veins move blood back to the heart - Oxygen-poor blood – capillaries get blood to and from tissues - *Where gas, water, and nutrient exchange occur 30.1 Respiratory and Circulatory Functions • There are three major functions of the circulatory system. 1) transporting blood, gases, water, and nutrients to cells 2) collecting waste materials (CO2) 3) maintaining body temperature 30.1 Respiratory and Circulatory Functions Capillaries Bronchi and Bronchioles 30.2 Respiration and Gas Exchange • How does the respiratory and circulatory system interact? – Think: What does the respiratory system bring into your body? – How does the circulatory system distribute that product? – What waste product does the blood pick up from the cells? – How does our body get rid of that waste? 30.3 The Heart and Circulation • How does the respiratory and circulatory system interact? • The lungs bring oxygen into the body • the circulatory system (blood stream) carries that oxygen to all of the body’s cells. • The blood stream also picks up cells’ waste (carbon dioxide) • expels that waste as carbon dioxide when we exhale (breathe out).