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GCSE Edexcel Higher Combined Science Biology · Topic 7 of 9

Topic 7: Animal coordination, control and homeostasis – GCSE Edexcel Higher Combined Science Biology revision notes

Choose a subtopic. Hormones, homeostasis, thermoregulation, diabetes and osmoregulation. 18 lessons in 3 subtopics.

Revise Topic 7: Animal coordination, control and homeostasis for GCSE Edexcel Higher Combined Science Biology. 18 lessons across 3 subtopics.

18

Lessons

3

Subtopics

What this topic covers

Topic 7: Animal coordination, control and homeostasis has 3 subtopics:

  • Homeostasis
  • Hormonal coordination in humans
  • Additional homeostasis anchors

Topic 7: Animal coordination, control and homeostasis lessons by subtopic

18 lessons, grouped by subtopic.

Homeostasis

Hormonal coordination in humans

Additional homeostasis anchors

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Frequently asked questions

What is Topic 7: Animal coordination, control and homeostasis?

Hormones, homeostasis, thermoregulation, diabetes and osmoregulation. 18 lessons in 3 subtopics.

What are the four stages of the menstrual cycle?

The menstrual cycle has menstruation (days 1-5), when the lining is shed and FSH rises; the follicular phase (days 6-13), when an egg matures and oestrogen thickens the lining; ovulation (day 14), triggered by the LH surge; and the luteal phase (days 15-28), when progesterone maintains the lining. The The Menstrual Cycle and Hormone Control notes cover this in full.

What is ovulation?

Ovulation is the release of a mature egg from the ovary, occurring approximately every 28 days in the menstrual cycle. The Male and Female Reproductive Hormones notes cover this in full.

What is homeostasis?

Homeostasis is the regulation of internal conditions of a cell or organism to maintain optimum conditions for function in response to internal and external changes. The What is Homeostasis and Why is it Important? notes cover this in full.

What is the normal blood glucose range?

The normal blood glucose range is 4.4-6.1 mmol/L. The Glucagon and Negative Feedback Control notes cover this in full.

What is a vasectomy?

A vasectomy is male sterilisation: surgical cutting or blocking of the vas deferens tubes so sperm cannot mix with semen during ejaculation. The Non-hormonal methods of contraception notes cover this in full.

What are the side effects of the combined pill?

Side effects of the combined pill can include nausea and mood changes, and there is a small increased risk of blood clots. The Evaluating contraceptive methods notes cover this in full.

What is basal metabolic rate?

Basal metabolic rate (BMR) is the minimum rate of energy expenditure needed to maintain basic body functions at rest, measured in kilojoules per day. The Thyroxine: Metabolism and Feedback Control notes cover this in full.

Where is the pancreas located?

The pancreas is an elongated gland located behind the stomach. The Major Endocrine Glands and Their Locations notes cover this in full.

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