Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
|
Describe someconditions that need to be controlled in the body. |
The body needsto control its water and ion content, temperature and blood sugar levels. |
|
|
What are Hormones? |
Hormones arechemical produced by glands and transported to target organs in the blood |
|
|
Name thehormones that control the menstrual cycle and state the glands that producethem. |
FSH, LH and oestrogen are the hormones which controlthe menstrual cycle |
|
|
Evaluate thebenefits and problems of using hormones to control fertility |
Oral contraception and fertility drugs use hormones todisrupt the menstrual cycle |
|
|
Describe the work of Semmelweiss |
Semmelweiss recognised the importance of hand- washingto reduce the spread of infection. |
|
|
Describe ways inwhich the body defends itself against disease. |
White bloodcells ingest pathogens and produce antibodies and antitoxins.Antibodiescan be produced rapidly next time the pathogen enters |
|
|
Explain howmicrobes make us feel ill and how viruses damage cells. |
Microbes canreproduce rapidly inside the body and produce toxins that make us feel ill. |
|
|
What do vaccines contain? |
Vaccine contain dead or inactive forms of the pathogen |
|
|
What should scientists do about antibiotic reistant bacteria? |
New antibiotics are being developed to combatresistance |
|
|
What can happen if there is an overconsumption of anti biotics? |
Bacteria canbecome resistant to antibiotics e.g. MRSA.Mutations leadto resistant strains of pathogens which can spread rapidly. |
