Transcript Document
Set Cornell Notes on pg. 29.4upCentral and Peripheral Nervous Systems 73 30.1Ions, Circulatory Functions 2.1 Atoms, and Molecules •Topic: 30.1 Circulatory Functions •Essential Question(s): 1. How do the respiratory and circulatory systems help maintain homeostasis in the body? 2. Arteries and veins are equally distributed throughout the body. How does this arrangement help to maintain the functions of each cell? 30.1 Respiratory and Circulatory Functions 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? 30.1 Respiratory and Circulatory Functions 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 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 and from 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 • 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 On pg. 72 create a bubble map of the Circulatory System arteries Pg. 910-915 in book veins Circulatory System Red blood cells hemoglobin capillaries heart • You need a description and picture for each 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 30.2 Respiration and Gas Exchange – red blood cells- pick up oxygen in the lungs and delivers it to all the body cells; picks up CO2 – O2 binds to hemoglobin- gives blood its reddish color – Blood becomes bright red only when it absorbs oxygen 30.1 Respiratory and Circulatory Functions Video Notes • Add information to your bubble map from the video. – You need to add AT LEAST 2 more pieces of information to each part of the bubble map 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).