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Combined Science Biology - Paper 2(AQA GCSE ) Study Guide Exam And Actual Answers. £8.14   Add to cart

Exam (elaborations)

Combined Science Biology - Paper 2(AQA GCSE ) Study Guide Exam And Actual Answers.

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  • Module
  • Combined Science
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  • Combined Science

What is homeostasis? - Answer The process of maintaining a stable internal environment Why is homeostasis important? - Answer Because it is essential for the survival of cells What does the control system do? - Answer Keeps the conditions in your body steady What happens in the bl...

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  • October 25, 2024
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  • Combined Science
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Combined Science Biology - Paper
2(AQA GCSE ) Study Guide Exam And
Actual Answers.

What is homeostasis? - Answer The process of maintaining a stable internal environment



Why is homeostasis important? - Answer Because it is essential for the survival of cells



What does the control system do? - Answer Keeps the conditions in your body steady



What happens in the blood glucose level is too high? - Answer the control system decreases the level



What happens in the blood glucose level is too low? - Answer the control system increases the level



What does the nervous system mean? - Answer that humans react to their surroundings and
coordinate their behaviour



What does the Central Nervous System (CNS) consist of? - Answer brain and spinal cord



What is the CNS connected to? - Answer the body by sensory neurones and motor neutrons



What is do Sensory Neurones do? - Answer They carry information as electrical impulses from the
receptor to the CNS



What do Motor Neutrons do? - Answer They carry electrical impulses from the CNS to effectors



What are Receptors? - Answer Cells that detect stimuli

, Give an example of a receptor - Answer Receptors in the ear detect sound



What do Effectors responded to? - Answer Electrical impulses and bring about to a change



Give 2 examples of effectors - Answer Muscles and glands.



What is the process of CNS? - Answer Stimulus -> Receptor -> Sensory Neurone -> CNS -> Motor
Neurone -> Effector -> Response



What is a Synapse? - Answer it is where two neurones join together



What are Reflexes? - Answer an automatic responses to prevent injury



What are hormones? - Answer Chemical messengers sent in the blood



What is another name for the Pituitary Gland? - Answer Master Gland



What does the Pituitary Gland produce? - Answer many hormones that regulate body conditions



What do Ovaries produce? - Answer oestrogen



What is oestrogen involved in? - Answer Menstrual cycle



What do the testes produce? - Answer testosterone



What do the testes control? - Answer puberty and sperm production in men



What does the thyroid produce? - Answer Thyroxine

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