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Card 1 of 20

What do endocrine glands release?

A

Antibodies - defensive proteins.

B

Hormones - chemical messengers.

C

Electrical impulses - rapid signals.

D

Digestive enzymes - biological catalysts.

Card 1 of 20

5.3.1 Human endocrine system Flashcards

  1. GCSE
  2. /Biology
  3. /5.3.1 Human endocrine system

20 flashcards on AQA GCSE Biology 5.3.1 Human endocrine system: the key terms, definitions and processes you need to recall for Paper 1 and Paper 2.

Flashcards