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Check my new video on the topic!

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Extracellular Enzyme and Intracellular Enzyme

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Ain aidil (5beta)

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temperature and send nerve impulses to the effectors.Thus,our body temperature will increase and went back to normal. (Nurul Athirah Shahmina Binti Hut,5 Beta)
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Dear 5 Beta,
Please join the above class for submission of task.. thank you very much and have a nice day

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Dear 5 Alfa, please join the above class for submission of task.. thank you very much and have a nice day

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Madam, this is my answer for MCO Exercise :)
(Siti Nurzahirah, 5A)

https://drive.google.com/file/d/1egaq1m4tvOC356CD2nIAiXC-CRIGjHUu/view?usp=drivesdk

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Open the power point.
Notes, task & how to submit your work are all written in the slides..so go through them. I know it's not an easy topic, so you may drop your questions anytime. I am available during class time.
Due date : Friday (3 April 2020)

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Please be advised to follow the time table below during MCO period.
As for Biology, use the allocated time to complete what ever task I've assigned.
If possible, be in the Google Classroom class for any update on the notes and assignment.
I will be online during that specified time as well.

Stay healthy & be safe!
Mdm Norshamsiah

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cross section of spinal coard

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Please upload your mind map/buzan map of your recent notes by scanning your notes in the form of picture/pdf.
Due date : 31 March since the assignment have been here for quite some time, it is safe to assume that you have completed your work!
Refer to the success criteria again to know what are expected in your answers.

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The code for your google classroom is below. Please join the class & drop your MCO assignment there.

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Please collect this MCO exercise by downloading it. Complete the task. Due date is on 30th Mac. Upload back your answers anywhere in this padlet.
Stay at home & Stay safe students!

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Yes,it is effective for a sick people.For example,when a person is coughing,the germs and bacterias will be filtered and prevent it from spreading to the surroundings.The outer layer is hydrophobic so germs and bacterias can’t come out of the mask.
(Nurul Athirah Shahmina Bt Hut,5 Beta)

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The outer layer of the mask is hydrophobic so it does not absorb water.The middle layer is used to filter air so that germs and bacterias cannot enter the mask.The inner layer is hydrophilic which can absorb sweat,water and spit.
(Nurul Athirah Shahmina Bt Hut,5 Beta)

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Q2.
Yes it is effective for the sick people. This is because when a person cough by using the mask the germ or bacteria will be filter and it will not go to the surrounding. The outer layer is still hydrophobic so it will repel all the things from our cough or anything else (Afif Fitri, 5G)

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Q1 The outer layer is hydrophobic so it will not absorb the water.
The middle layer is to filter layer so the microorganisms in the air cannot enter the mask. The most inner layer is hydrophilic so it is to absorb our sweat at our mouth because it does not repel water. (Afif Fitri 5 Gama)

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My Form 4 Biology 2020 students, please go to the next padlet by following the link below. Have fun exploring the site! Pls give me a star at the post below if u get the message, form 4 students!
Form 5 students, please convey the message to your juniors!
Stay safe everyone!

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Question 2
1) The outer layer of the surgical mask is hydrophobic. Thus, it prevents liquid or moisture particles from passing through the layer. The inner layer is hydrophobic too as it is used to filter smaller particles that cannot be filtered by the outer layer. The innermost layer is hydrophilic to absorb moisture or exhaled fluids so that it will not spread to others. This means, if someone has COVID-19 virus, he needs to wear a mask so that he will not spread the virus everywhere. This is more effective compared to those who do not have the virus but keep wearing the mask. Therefore, we need to prioritise those who are infected first to prevent this virus from spreading.
2) No, it is not suitable. If we wear it the other way, the hydrophilic part will absorb the virus and the hydrophobic part will not absorb our exhaled fluids. It also decrease the effectiveness of this mask and causes discomfort for the wearer. So, just follow the correct way to wear the mask to prevent other diseases. (Siti Nurzahirah, 5A)

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Q2. No because using it the other way, can reduce its effectiveness and increase discomfort. Because the function of hydrophobic is prevent germs from sticking into it. When using the other way, moisture from air will stick onto it making it easier for germs to stay there. When breath, germs will transfer from outside and straight to the lungs.
[ Nabila, 5G]

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Q1the face mask has 3 layers which are outer layer, middle layer and inner layer. The outer layer is known as hydrophobic which repels water, blood and body fluid. Next, middle layer will filter bacteria. Lastly, the inner layer, hydrophilic will absorb water and sweat.
{nabila aisyah 5G}

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Question 2 part 2
The answer is no. this method is only effective to patients suffering from respiratory syndromes such as covid 19 and sars. this layer prevents their cough and sneezes to spread to other as it is hydrophobic. the answer also can be yes but there will be high chances to catch those respiratory diseases. so,  taking safety measures, it is advised to wear the mask with the blue color outside to prevent infectous diseases. Zarith from 5 alfa.

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Question 2
three ply mask can prevent viral diseases like covid 19.the outermost layer can repel dust, debris and water which all can carry the diseases. the mid layer filtrates microbes to prevent them entering the respiratory system. innermost layer traps sweat and body fluids to prevent it out.
Zarith.  5 A

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Question 2
No because the inner layer is an absorbent material and both middle and hydrophobic layer are water repellent to avoid any body fluids/water from being absorbed into the mask. this could reduce the effectiveness of the mask. so, we need to wear the mask correctly. (Nur Husna Nazari 5 Beta)

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the outer layer is known as hydrophobic layer. It repels blood, water and body fluids. next the middle layer acts as a filter that filters out bacteria from entering through our mouth. Lastly, the inner hydropilic layer can absorb water , sweat and spit. (Nur Husna Nazari, 5 Beta)

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Form 4 & Form 5 students HOTS questions:                                                3 ply face mask characteristics.                                                             Outer layer (blue color) : hydrophobic                                                       The most inner layer : hydrophilic                                             Tengah2..eh, google lah sendiri uols..😂                                       Question :                                                                                                          1. explain how the characteristics mentioned above help in prevention of spreading the covid19 virus?                                                                    2. Is it equally effective if I use the 3 ply mask the other way round, blue color as the most inner layer? Justify your answer.       

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Form 4 & Form 5 students HOTS questions:                                                3 ply face mask characteristics.                                                             Outer layer (blue color) : hydrophobic                                                       The most inner layer : hydrophilic                                             Tengah2..eh, google lah sendiri uols..😂                                       Question :                                                                                                          1. explain how the characteristics mentioned above help in prevention of spreading the covid19 virus?                                                                    2. Is it equally effective if I use the 3 ply mask the other way round, blue color as the most inner layer? Justify your answer.       

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Upload all your answers anywhere in the padlet, latest by 25 mac (wednesday), but make sure u write down yr name & class. Happy investigating & stay safe!

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All Form 5 students,
Watch the video.
By using suitable thinking maps/buzan map, answer all the success criteria in your note books. If the the success criteria mention label/identify, it means that you have to draw in order to label/identify.

Please upload your mind map/buzan map by scanning your notes in the form of picture/pdf.
Due date : 31 March since the assignment have been here for quite some time, it is safe to assume that you have completed your work!

Have fun with Biology & stay safe!

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Spinal Cord & Neurone by Mdm Norshamsiah

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By referring to the diagram below, explain why drinking hot drinks or cold drinks would not affect our internal body temperature.
Due date : 25 Mac (wednesday)