05/08/24

IGCSE science: Negative Feedback

Explain how negative feedback and a set point are involved in the control of blood glucose concentration.

05/08/24

Vasoconstriction and Vasodilation

What are the differences between Vasoconstriction and Vasodilation in IGCSE biology? Give me an example for each?

05/07/24

Hormones (Adrenaline)

1. Describe two situations in which adrenaline is likely to be secreted.

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