respiratory system
TRANSCRIPT
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Respiratory System
By: Nathania Rizky Febrita / 3SC2
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Respiration is the process of breaking down the energy from the food
Oxidation is the process when the breaking down of food is combined with
Oxygen
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Formula
Sugar + Oxygen Carbon Dioxide + Water + Energy
C6H12O6 + 602 6CO2 + 6H20 + energy
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Energy
Usage:• Active transport• Cell division and growth• Building up proteins• Contraction• Transmitting nerve impulses• Heat
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Anaerobic
Without Oxygen
YEAST : Glucose – Alcohol + CO2 + Energy
MUSCLE : Glucose -> Lactic Acid + Energy
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Gaseous Exchange
• Gas exchange surface, the part which oxygen enters the body
• Properties:
Properties of Gaseous Exchange Surface
THIN
Close to efficient transport system
MOIST
Large surface area
Good supply of O2
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Organs
Upper Tract
•Nose•Nasal cavity•Sinuses• Pharynx
Lower Tract
•Larynx•Trachea•Bronchial tree•Lungs
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Alveoli features
Very thinExcellent transport
systemLarge surface areaGood supply of O2
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Inspiration
1. Rib cage is pushed upwards2. Volume of thorax increases3. Less air pressure inside4. Diaphragm is flat5. External intercostal muscle contracts6. Internal intercostal muscle relax
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Expiration
1. Rib cage is pushed downwards2. Volume of thorax decreases3. Higher pressure inside4. Diaphragm contracts5. External Intercostal muscle relax6. Internal Intercostal muscle contracts
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Aerobic Respiration Anaerobic Respiration
Oxygen No Oxygen
No alcohol or lactic acid
Alcohol or lactic acid
Large amount of energy
Small amount of energy
Oxygen debt, borrowed some energy without oxygen (muscle).
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Difference
Respiration, series of chemical reaction which happens in all living cells. (usually with O2)
Gaseous exchange, exchange of gas across a surface.
Breathing, a muscular movement to keep the gaseous exchange process supplied with O2
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Smoking = BIGGEST KILLER
1.Nicotine• Stimulant• Heart rate and blood pressure• Addictive
2.Tar• Absorbed by cells (bronchioles)• Irritant
3.Carbon Monoxide• Affect the blood• Pregnant mother affected
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THANKYOU