Neurones - Study guides, Class notes & Summaries

Pearson Edexcel Level 1/Level 2 GCSE (9–1) Friday 7 June 2024 reference 1BI0/2H Afternoon (Time: 1 hour 45 minutes) Paper Biology  PAPER 2 Higher Tier You must have: Total Marks Ruler, calculator Instructions • Use black ink or ball-point pen. • Fill in the boxes at the top of this page with your name, • centre number and candidate number. • Answer all questions. Answer the questions in the spaces...

what do sensory neurones do - Answer carry nervous impulses from receptors into the central nervous system (CNS) what do motor neurones do - Answer carry impulses from the CNS to the effector organs What do relay neurones do? - Answer relay neurones are intermediate neurones they recieve impulses from a sensory neurone and relay them to motor neurones what are dendrites - Answer carries nervous impulses towards a cell body what is an axon - Answer carry nervous impulses ...

BTEC APPLIED SCIENCE UNIT 1 BIOLOGY - NEURONES, MUSCLES, SYNAPSES

what do sensory neurones do carry nervous impulses from receptors into the central nervous system (CNS) what do motor neurones do carry impulses from the CNS to the effector organs What do relay neurones do? relay neurones are intermediate neurones they recieve impulses from a sensory neurone and relay them to motor neurones what are dendrites carries nervous impulses towards a cell body what is an axon carry nervous impulses away from the cell body what is the cell body where ...

BTEC APPLIED SCIENCE UNIT 1 BIOLOGY - NEURONES, MUSCLES, SYNAPSES

What is homeostasis? The regulation of the conditions inside your body and cells to maintain a stable internal environment, in response to changes in both internal and external conditions Name three coordination centres The brain, the spinal cord and the pancreas What is negative feedback? When your body brings the level of something (e.g. water or temperature) back to normal if it becomes too high or too low What detects a stimulus? A receptor, e.g. skin receptors detec...

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 ...

Medical oedema - ANS Medical term for fluid retention Sinusitis - ANS Sinus Infection Hyper-keratosis - ANS Excessive formation of Keratin Styes - ANS Inflamed swelling on the edge of an eyelid, caused by bacterial infection of the gland at the base of an eyelash. Neuralgia - ANS Connective tissue which supports neurones; does not transmit nerve impulses

PH3113 Diseases and Drugs 2 Exam Questions And Answers 100% Guaranteed Pass What are the cell types of the Central Nervous System? - Answer10% neurones 90% glia - oligodendrocytes - produce myelin - facilitates transmission - astrocytes - enable homeostasis - physical barrier/connector - microglia - immune cells of the brain - phagocytose dead cells and debris Why might cell death occur in CNS neurones? - AnswerDuring embryonic development - 50% of neurones formed during developme...

Psychology Chapter 4 "Neurons, Hormones and the Brain"