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