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Body in Action(c) Coordination . SQA QUESTIONS. Eye and Ear WYSK. Judgement of d_______ is more accurate using ____eyes rather than one
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Body in Action(c) Coordination SQA QUESTIONS
Eye and Ear WYSK • Judgement of d_______ is more accurate using ____eyes rather than one • With binocular vision the i_____ formed on the retina of each eye is d__________and the brain is able to use the difference to work out how f___ a_____ something is istance two mage ifferent ar way
5 Retina 1 Iris 2 Pupil Optic Nerve 6 3 Cornea 4 Lens
1 2 3 4 5 6
1 3 cornea retina 2 lens
D 1 E 4 C 2 B 5 A 3
contracting pupil retina
The ear WYSK irection • The judgement of the d______ of sound is more accurate using _____ ears rather than one • The s_____ c_______ c_____ are at right a______ to each other so that ___________of the head can be d_________ in ____ directions two ircular anals emi ngles movement etected all
Structure The outer + middle ear are air-filled, the inner ear is liquid-filled Semi-circular canals Middle ear bones BONE ♫ Outer ear Middle ear Outer ear canal Ear drum Cochlea Auditory nerve Inner ear Eustachian tube (to back of throat)
Part Function Vibrates when sound waves reach it Ear drum 1 Carry the vibrations from the ear drum to the liquid-filled inner ear Middle ear bones 2 Converts sound vibrations in the liquid to nerve impulses Cochlea 3 Carries nerve impulses from the cochlea to the brain Auditory nerve 4 Balance Semi-circular canals 5
1 semi circular canals 2 auditory nerve 3 cochlea
semi circular canals Middle ear bones 3 2 Auditory nerve 4 1 Ear drum cochlea 5
A ear drum B cochlea carries nerve impulses to brain balance
At right angles to each other detects movement of head in all directions
cornea 2 retina 1 lens 3 4 Semi circular canals 5 Auditory nerve 6 cochlea
Nervous system WYSK rain pinal erves ord • The nervous system is composed of the b______, s_______ c_____ and n______ • The central nervous system (_ _ _)is composed of the b________ and s______ c______ • Nerves carry i____________ from the s______ __ the CNS and _____ the CNS to the m________ • The CNS s_____ out i___________ from the s_______ and sends m_________ to those m______ which make the a_________ r_________ CNS rain pinal ord nformation enses to from uscles nformation orts enses essages uscles ppropriate esponse
A B
motor nerve CNS sensory nerve Muscle (effector) sense organ (receptor)
relay nerve sensory nerve CNS motor nerve sense organ (receptor) Muscle (effector)
B C E A D E
B E D F A C
cerebrum pituitary gland cerebellum medulla spinal cord
Memory, reasoning, imagination, control of muscles/senses etc cerebrum cerebellum Balance and muscle coordination
cerebrum medulla B medulla Memory, reasoning, imagination, control of muscles/senses etc A
L M K
D cerebrum controls balance and muscle coordination cerebellum controls HR and breathing