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This equipment is _______________ and it is used for _________________
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The process of releasing chemical energy by breaking down organic compounds (food molecules) with the use of oxygen
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Raw materials of Respiration GLUCOSE (nutrients) and OXYGEN
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Products of Respiration ENERGY CARBON DIOXIDE WATER
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FORMULAS 1. Word2. Chemical C 6 H 12 O 6 + O 2 ATP + CO 2 + H 2 O
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Occurs in the __________________ Of cells MITOCHONDRIA
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TWO TYPES RESPIRATION The type of respiration that requires oxygen Total energy produced from 1 molecule of glucose = 36 ATP
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The type of respiration that does not require oxygen to be present Total energy produced from 1 molecule of glucose = 2 ATP ALSO produces lactic acid alcohol
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Forms because of an inadequate supply of oxygen Result muscle fatigue and cramping.
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The mitochondria are the engines of our cells where sugar is burned for fuel and the exhaust is CO 2 and H 2 O.
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Topic: Aim: Respiration How are humans adapted for respiration? Recall the definition of adaptation and brainstorm some ideas that apply to the aim Adaptations that humans have for respiration include:___________ __________________ __________________ __________________
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Aim: How do the structures of the respiratory system assist in the breathing process? Day 2 Do Now: Handout Question 1-10 HOMEWORK: Textbook pgs 568-576 Vocab. and Q’s # 1-5
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The Human Respiratory system Space where air enters the respiratory system through structures called nostrils 3 Functions: 1.Warms 2.Moistens 3.Filters Nostril
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Contains nostrils: opening to the nasal passages nasal passages: lined with a mucus membrane with cilia
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Tube-like passageway used for air and food “throat”
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Throat Contains the epiglottis
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Flap of elastic cartilage tissue Covers trachea when swallowing food or liquids to prevent from choking
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Choking on food is most likely caused by an interference with the proper functioning of the 1.diaphragm 2.nasal cavity 3.bronchial tubes 4.epiglottis
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A continuation of the airway Lined with two folds of tissue called vocal cords A.k.a. voice box
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A continuation of airway Approximately 12cm in length Lined with mucous and cilia a.k.a. windpipe
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Trachea
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Surrounded by cartilage To prevent collapsing
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2 short tubes used as airway Branches of the trachea Bronchi – plural Bronchus -singular Bronchi
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We have two lungs!!!!
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Topic: Aim: Respiration How does respiration occur? Explain three similarities between the human respiratory system and a bundle of grapes Grapes are Similar to our respiratory system because:
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Microscopic branches of the bronchi Each branch ends with an alveolus
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Alveoli- plural Alveolus - singular Tiny air sacs Surrounded by capillaries Where the gas exchange occurs
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1.structure 1 2.structure 2 3.structure 3 4.structure 4 Diagrams A and B represent structures found in the human body. Diagram B represents the functional unit of which structure represented in diagram A?
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1.a tissue 2.an organ 3.an organelle 4.an organ system The respiratory system includes a layer of cells in the air passages that clean the air before it gets to the lungs. This layer of cells is best classified as
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Make a hypothesis State a conclusion ______________________
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Respiration How does exercise affect breathing rate? MAKE A HYPOTHESIS ABOUT THE AIM. ________________________
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Make a conclusion ______________________
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The exchange of gases between the organism and its surrounding environment. Done by inhaling and exhaling
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The exchange of gases between the respiratory system and the circulatory system Through the capillaries
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Gas exchange occurs because of diffusion Oxygen diffuses into the blood (out of alveoli) Carbon dioxide diffuses out of the blood (into alveoli)
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The diaphragm is a sheet of muscle tissue that lines the bottom of the chest cavity
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As the diaphragm moves up, the ribs move down and in. This creates a smaller chest cavity and that forces air out of the respiratory system which is known as exhalation
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As the diaphragm moves down, the ribs move up and out. This creates a larger chest cavity and that forces air into the respiratory system which is known as inhalation
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What controls that action of the diaphragm? Your Brain!!!!!!!!
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