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Biology

GCSE · AQA

QuestionsFlashcards

Communicable Diseases
Monoclonal Antibodies
- Producing Monoclonal Antibodies
  6
- Uses of Monoclonal Antibodies
  7
Plant Disease
- Detection and Identification of Plant Diseases
  6
- Plant Defence Responses
  6

Human Endocrine System Flashcards

All 6 cards in this deck

How does the endocrine system bring about an effect in the body?: Glands secrete hormones directly into the bloodstream; the blood carries the hormone to a target organ where it produces an effect.
Give three ways coordination by the endocrine system differs from coordination by the nervous system.: Slower; longer-lasting; chemical (hormones) carried in the blood instead of electrical impulses along neurones.
True or false? Hormones travel to their target organs along neurones.: False. Hormones are secreted into the bloodstream and carried to target organs in the blood.
Why is the pituitary gland called the 'master gland'?: It secretes several hormones into the blood in response to body conditions, and these hormones act on other glands to stimulate them to release other hormones.
Which six endocrine glands must you be able to identify on a diagram of the human body?: Pituitary gland, thyroid, adrenal glands, pancreas, ovaries (female) and testes (male).
Where in the body are the pituitary gland, thyroid and adrenal glands found?: Pituitary — in the brain; thyroid — in the neck; adrenal glands — one on top of each kidney.