Compare nervous and hormonal control, limited to speed of action and duration of effect
Compare nervous and hormonal control, limited to speed of action and duration of effect
1 AnswerQuestions and Answers
1 Answer Explain accommodation to view near and distant objects in terms of the contraction and relaxation of the ciliary muscles, tension in the suspensory ligaments, shape of the lens and refraction of light
Explain accommodation to view near and distant objects in terms of the contraction and relaxation of the ciliary muscles, tension in the suspensory ligaments, shape of the lens and refraction of light
1 Answer Explain the pupil reflex in terms of light intensity and antagonistic action of circular and radial muscles in the iris
Explain the pupil reflex in terms of light intensity and antagonistic action of circular and radial muscles in the iris
1 Answer Identify, on a diagram, the structures of the eye, limited to: cornea, iris, pupil, lens, ciliary muscles, suspensory ligaments, retina, fovea, optic nerve and blind spot
Identify, on a diagram, the structures of the eye, limited to: cornea, iris, pupil, lens, ciliary muscles, suspensory ligaments, retina, fovea, optic nerve and blind spot
1 Answer Describe that synapses ensure that impulses travel in one direction only
Describe that synapses ensure that impulses travel in one direction only
1 Answer Describe the events at a synapse: (a) an impulse stimulates the release of neurotransmitter molecules from vesicles into the synaptic gap (b) the neurotransmitter molecules diffuse across the gap and bind with receptor proteins (c) an impulse is stimulated in the next neurone
Describe the events at a synapse: (a) an impulse stimulates the release of neurotransmitter molecules from vesicles into the synaptic gap (b) the neurotransmitter molecules diffuse across the gap and bind with receptor proteins (c) an impulse is stimulated in the next neurone
1 Answer Describe simple reflex arcs in terms of receptor, sensory neurone, relay neurone, motor neurone and effector (muscles and glands)
Describe simple reflex arcs in terms of receptor, sensory neurone, relay neurone, motor neurone and effector (muscles and glands)
1 Answer State that electrical impulses travel along neurones
State that electrical impulses travel along neurones
1 Answer Identify, on diagrams, sensory, relay and motor neurones
Identify, on diagrams, sensory, relay and motor neurones
1 Answer Describe that the nervous system (brain, spinal cord and nerves) coordinates and regulates body functions
Describe that the nervous system (brain, spinal cord and nerves) coordinates and regulates body functions
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how to prepare polyacrylamide gel electrophoresis
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