my notes and assignments for Unit 3 health and social care BTEC course from someone who got three distinctions. detailed notes and assignments, which will be very useful for anyone studying the same subject and unit and may need some help and advice. They are also good for anyone aiming to get a go...
1.
a. Which nucleic acids are found in cells?
b. Why are nucleic acids important in cells?
2.
a. Identify the organelles in a cell that will remove old worn-out parts of
cells and foreign materials.
b. Give an example of a type of cell or organ where these structures
might exist in large numbers.
3.
a. Compare and contrast two connective tissues – blood and cartilage.
b. Cartilage does not contain blood vessels. How does it receive the
nutrients it requires?
4. Explain the special features of cardiac muscle with other types of muscle
that allow the whole of the heart to contract very rapidly.
5. What happens to the lactic acid produced after an athlete like Usain Bolt
has run a 100m race anaerobically?
6. Older mothers-to-be are offered tests for genetic disorders such as Down’s
syndrome. What are these tests? What are the disadvantages of having
the test?
7. Which foods must a child with PKU avoid eating?
8. Explain the difference between an individual’s phenotype and genotype.
9. Explain the main function of striated muscle.
10. Which types of connective tissue occur in the skeleton?
11. Identify the cells present in brain tissue.
12. Compare the process of diffusion and osmosis.
13. Identify the organelle inside a cell that is responsible for releasing
energy.
14. Explain the importance of mucus in the body.
15. Describe a tissue associated with the flow of mucus.
16. In which genetic disorder is the composition of mucus a problem?
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