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Flip to reveal answersWhich part of the brain is the appetite control centre?
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All 7 Flashcards — Appetite & hormonal control of feeding
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Question
Which part of the brain is the appetite control centre?
Answer
The **hypothalamus**.
Question
What is the source, target and function of leptin?
Answer
Source: **adipose (fat) tissue**; target: the **hypothalamus**; function: **suppresses appetite**.
Question
Where is ghrelin made and what does it do?
Answer
Made by the **(empty) stomach**; it **stimulates appetite** (the 'hunger hormone').
Question
Name two hormones that suppress appetite and where they come from.
Answer
**Leptin** (from adipose/fat tissue) and **insulin** (from the pancreas).
Question
Why does more body fat lead to a stronger 'stop eating' signal?
Answer
More fat tissue secretes **more leptin**, which acts on the hypothalamus to **suppress appetite**.
Question
What does thyroxin do, and where is it made?
Answer
Made by the **thyroid gland**; it sets the **basal metabolic rate** (how fast cells use energy).
Question
A patient is tired, gaining weight and feels cold. Which hormone is likely low?
Answer
**Thyroxin** — too little lowers the metabolic rate, causing these symptoms.
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Topic 4.9 hub
Homeostasis
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