Respiratory system

Today we're going to make a leaflet for the respiratory system assignment. For P4, you need to find a picture of tidal flow like the one below, and explain what each section of the graph represents. You will also need to say what each part of the respiratory system is and what it does - trachea, bronchi, bronchioles, alveoli.

For M4, you need to explain how someone's tidal flow would change if they were exercising r having an asthma attack.

You should complete the pass and merit as a leaflet using publisher. Once finished, make sure it is submitted in a plastic pocket with your name and assignment sheet.

Unit 11 - P3

Today we're going to start work on the cardiovascular part of unit11. Complete the following in a word document:
P3:

1. Take your resting pulse, and record it as beats per minute.
2. You need to compare your resting heart rate to after exercise. To do this, you can either do 30 seconds of star jumps or go up and down the stairs outside for 30 seconds. Take a stopwatch so you can time yourselves immediately afterwards to work out your heart rate.
3. You also need to produce a write up of your experiment. Outline what the circulatory system does and why this is important. Once you have done this, explain why it changes when you exercise (think about what is carried in the blood and what is needed in your muscles).

M2:

1. For M2, you need to explain how glucose and oxygen enter single celled organisms. You need to use this information to justify why larger organisms (like us!) need a circulatory system.

D2:

1. For D2, you need to explain how and why the digestive, circulatory and respiratory systems are interrelated.

Unit 1, P1

Today we're going to look at P1 for unit 1. You need to produce a poster about the periodic table. Here are some links to help you:

• Atomic structure
• Periodic table
• Atomic mass and number
• Trends in the periodic table

For D1, you need to explain how standard solutions are produced in industrial settings. Use this link to help you:

Unit 11

Today we're going to look at P5 for unit 11. You need to explain how to test foods for different nutrients - carbohydrates, proteins and fats. Use this link to create a powerpoint or leaflet explaining each test, how it is conducted and what information it gives. Mr Taylor has also given me a powerpoint which talks you through each experiment in the shared area. The videos below will also give you information. We will see these tests next week, but you can start on the assignment now.

                                                                          Biuret test:

Benedict's test for reducing sugars:

Emulsions test for fats.

Assignment 3

Today we're going to start with the third assignment for the Microbiology unit (as we've covered all the course material already). Use the sheets you are given to help you start work on it, while also using the internet to find and reference your resources.
You can find the help sheet explaining what to do for the assignmnet here.

End of term summary

Today we're going to summarise what we've been looking at so far with a couple of videos. Watch these and make notes on the following:

1. Watch part of this documentary. In which ways are maggots and flies similar to Bacteria? (The section you need to see is at about 35 minutes).
2. This is the decay documentary that we saw earlier in the year. What are slime moulds? (Go to about 1 hour to find out).                                                                                                  
3. In what ways do viruses depend on host cells to become reproduced? Try and name more than 1:     

Classifying micro-organisms

Today we're going to be looking at how micro-organisms can be classified. Answer the following in your books:

1. What two systems for classifying viruses exist?
2. Briefly describe the characteristics of each of the seven groups in the Baltimore system:
3. Are fungi plants or animals, or something different? Explain why.
4. Use the picture below to describe what an antigen is and where it is located. Are they the same or different for different species?                                        
5. How many different types of bacteria are there thought to be in the world? Why is it hard to get an accurate estimate?
6. Watch this video about avirus getting into the body. Briefly outline the different steps required for a virus to infect someone, starting with the first man sneezing.
7. What characteristics and tests are used to classify species of Bacteria?
8. Use these search results (or do your own at the new scientist page) to find an article about microbiology. Summarise it and explain how it is relevant to the course.
9. Finally, try any of the activities here and explain how they relate to microbiology: