SharpkopLife Sciences P1 · Human endocrine system
3.4.1(c)1 mark
The diagram below shows how the level of thyroxin in the blood is kept steady. Gland Y in the neck makes thyroxin, and the pituitary gland sends a hormone (TSH) to gland Y. Name the disorder in which gland Y becomes enlarged because of a lack of iodine in the diet.
NSCBased on Nov 2024 · Paper 1 · Q3.4.1(c)
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