Hormonal Control

Option H1

H.1.1 & H.1.2: Endrocrine gland and its hormones

Hormones are chemical messengers secreted by endocrine glands into the blood and transported to specific target cells.

Hormone Target diagram

H.1.3: Distinguish between the mode of action of steroid hormones and protein hormones

Protein vs Steriod hormones

H.1.4: The relationship between the hypothalamus and the pituitary gland

Hypothalamus Pituitary relationship

H.1.5: ADH control by negative feedback

ADH link nerve impulse animation
ADH control
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