*OCR A-level biology flashcards
* 3.2 Transport in animals
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Biology- 5.1.5 ANIMAL responses
Study online at https://quizlet.com/_bhelc6
1. What is a nerve? a bundle of neurons
2. What 2 parts Central nervous system (CNS)
make up the Peripheral nervous system (PNS)
human nervous
system?
3. What is the cen- brain and spinal cord
tral nervous sys-
tem?
4. What is the pe- the sensory and motor neurons that connect the CNS to
ripheral nervous the rest of the body
system?
5. How can the pe- Somatic nervous system and autonomic nervous system
ripheral nervous
system be split
based on func-
tion?
6. What is the Nerves that control voluntary/ conscious activities like run-
somatic nervous ning
system?
7. What is the au- Nerves that control involuntary/ conscious activities e.g.
tonomic nervous heart rate
system?
8. What can the au- Sympathetic nervous system
tonomic nervous Parasympathetic nervous system
system be split
into?
9. What is the sym- Controls the fight or flight response
pathetic nervous
system?
10. What is controls the 'Rest or digest' system that calms the body,
the parasympa- conserving its energy
, Biology- 5.1.5 ANIMAL responses
Study online at https://quizlet.com/_bhelc6
thetic nervous
system?
11. 5 main parts Cerebrum, cerebellum, medulla oblongata, pituitary
of the human gland, hypothalamus
brain?
12. Describe the Largest part of the brain
structure of the Split into 2 halves = cerebral hemispheres
cerebrum in the Thin outer layer = the cerebral cortex, highly folded to
brain... provide a large SA for lots of neurones
13. Function of the thinking, personality, memory, speech, vision
cerebrum? (voluntary intellectual functions)
14. function of cere- Responsible for balance, muscle coordination, movement
bellum? and posture
15. function of Controls involuntary actions e.g. heart rate and breathing
medulla oblonga- (base of the brain, joins to the top of the spinal chord)
ta?
16. Function of the the pituitary gland is controlled by the hypothalamus- it is
pituitary gland? the master gland- controls the release of hormones from
other glands.
17. function of hypo- The control centre, maintains homeostasis e.g. monitors
thalamus temperature, osmoregulation e.c.t. in the blood
(it controls hormones released by the pituitary gland)
18. Label the cere-
brum on the
brain
19. Label the cere-
bellum on the
brain
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