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Biology :microscope: (8A - Food and digestion (The process and the types…
Biology :microscope:
8A - Food and digestion
What will happen to it afterwards: After the digestion process, the wasted things will be get rid of. If it's a good thing, it'll either do it's job or most of it will get absorbed by the small intestine using the villi and it'll go into the blood vessels
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8B - Respiration
The respiratory system
What will happen: As you inhale the air, it'll travels down the trachea. After that, I'll go into the two lobe by the bronchus and then to the smaller bronchi. From the bronchi, it goes into the alveoli which is a sac that's connected to the capillaries and it's where oxygen goes into blood.
The different types of respiration: Aerobic reparation ~ Glucose + Oxygen → Water + Carbon dioxide (+energy). Anaerobic reparation ~ Glucose → lactic acid (+ little energy) OR Glucose → Carbon dioxide + Ethanol (+litter energy )
What happens is the circulatory system: After taking the blood into the heart, it goes into the arteries and to the parts of the bodies. When it goes into the tissues, it's the capillaries job to give the blood cells full of oxygen and take the cells with no oxygens. The other cells without oxygen will go into the vein and then back to the heart to refill with blood.
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8C - Microbes
Main types of microbes: Virus, Bacterias, Fungi and Protozoa
What is it use for: To us humans, it's used to make a lot of food like cheese, beers, bread, cakes,... Others are used to make antibiotics and medicines for us. These microbes are mainly the non-harmful ones. The harmful ones are used to make injection when they are dead or weakened.
Diseases ~ How our bodies fight against it: There are three main ways that our bodies fight against these microbes. The first way is when the macrophage engulf it and kills it. The second way is that another type of white blood cell will make antibodies for the antigens. The last way is that if it's familiar to the white blood cells, it's immediately killed.