Hormones are produced to bring about changes. We will look further into the main hormonal coordination system in the human body, and the importance of hormones in reproduction since it controls the menstrual cycle. By understanding the role of hormones in reproduction has allowed scientists to develop not only contraceptive drugs but also drugs which can increase fertility.

Specification links:

Set 1 sections 4.5.3.1 - 4.3.5.7, 4.5.4.1 - 4.5.4.2

Set 2 & 3 sections 4.5.3.1 - 4.5.3.6

Task 2c: Compare coordination and control by the endocrine and nervous systems (6marks) - use the markscheme on slide 17 to mark your answer.

Task 3b: Make notes that:

• Name the 2 hormones that help control blood glucose concentration

• Define glycogen

• Describe the 2 ways that insulin reduces blood glucose concentration.

• Describe how glucagon increases blood glucose concentration.

Task 4b: Make notes that:

• Give the cause of type 1 diabetes

• Explain how we can treat type 1 diabetes

• Give the cause of type 2 diabetes

• Explain how we can treat type 2 diabetes

Set 3 complete the progress quiz then go to task 6

Task 6b: Make notes that:

• List 3 changes during puberty in girls.

• List 3 changes during puberty in boys.

• Name the male sex hormone

• Describe the roles of the following:

  • follicle stimulating hormone,

  • oestrogen,

  • progesterone,

  • luteinising hormone.

• Describe the different stages of the menstrual cycle. Include a copy of the flow chart from slide 16.

Task 7b: make notes that:

• Define contraception.

• Name the 4 different types of contraceptives.

• Explain how the following contraceptives work:

  • mixed pill,

  • implants / injection / patch

  • condoms,

  • diaphragm,

  • sterilisation.

• Compare the effectiveness of the three main types of contraception

Task 11: Complete the quiz for your set to make sure you understand this unit.