Science 18.1 Respiration 18.2 Digestion
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Transcript of Science 18.1 Respiration 18.2 Digestion
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Science18.1 Respiration
18.2 Digestion
STUDY GUIDE
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When you breathe, your respiratory system is bringing your body
• Oxygen and removing carbon dioxide
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What order does air come into your body?
• 1. mouth• 2. throat• 3. bronchial tubes• 4. lungs
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What body system makes speech (your voice)
• Respiratory
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Which muscle contracts (squeezes)to make your chest expand (get bigger)?
•diaphragm
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When the digestive system breaks down food, your body gets
• Energy and materials
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When you chew your food, that is what kind of digestion?
• Mechanical (you move your mouth…mechanical means to move)
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When your saliva (spit) softens your food that is what type of action?
• Chemical (your saliva has chemicals in it that breaks down your food)
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Peristalsis is what type of digestion?
• mechanical
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If a cell does not get enough oxygen it will
• die
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To release energy, your body uses oxygen and what during cellular respiration?
• glucose
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What is another word for the voice box?
• larynx
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Movement of food through the esophagus due to muscular action
is called
• peristalsis
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Chemical and mechanical digestion occur in what two places?
•Mouth• Stomach
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What is produced in the liver?
•bile
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What type of cell transports (carries) oxygen through the body?
•Red blood cells
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What do we do to get air into our bodies?
• breathe
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What is the esophagus?
•A tube that carries food from the mouth to the stomach
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Where does digestion begin?
•Mouth (When you chew it begins the digestion
process)
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What absorbs water during digestion?
• Large intestine
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What tube is located between the larynx and the bronchi
• trachea
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What are the tiny air sacs where gas is exchanged (swapped) called?
• alveoli
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What is the substance (stuff) that traps dirt and pollen called?
•mucus
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Which muscle pushes the air out of the lungs?
• diaphragm
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• You can get asthma even if you don’t smoke.
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• 20% of the air we breathe in is oxygen
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What do scuba divers carry in their air tanks?
• oxygen
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Is water a nutrient (something good for your body)?
• Yes
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Salivary Glands are part of which system?
• digestive
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• Don’t forget to study the drawing of the
• 1. Respiratory system• 2. Digestive system
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You will have to label the Respiratory System!
alveoli
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You will label the Digestive System
appendix
mouth
rectum