Combined Science Biology - Paper 2(AQA GCSE ) Study Guide Exam And Actual Answers.
3 views 0 purchase
Course
Combined Science
Institution
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...
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TestSolver9. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.19. You're not tied to anything after your purchase.