→ The Nervous System → Оқуды бастаңыз / MP3 флэш-карталарын жүктеу

сұрақ		жауап
Two major anatomical divisions are: оқуды бастаңыз		the central nervous system (CNS) and peripheral nervous system (PNS).
CNS consists of оқуды бастаңыз		the brain and the spinal cord.
PNS consists of оқуды бастаңыз		nerves that carry sensory messages to the CNS and motor commands from the CNS to the muscles and glands.
Two types of cells are: оқуды бастаңыз		neurons and neuroglia.
Neurons funtions are to: оқуды бастаңыз		transmit nerve impulses between parts of the nervous system.
Neuroglia functions are to: оқуды бастаңыз		support and nourish neurons, maintain homeostasis, form myelin and may aid in signal transmission.
Neurons consist of: оқуды бастаңыз		a cell body, dendrites and an axon.
The cell body contains оқуды бастаңыз		the nucleus and other organelle.
Dendrites are оқуды бастаңыз		extensions leading toward the cell body that receive signals from other neurons.
An axon function is to: оқуды бастаңыз		conducts nerve impulses away from the cell body toward other neurons or effectors.
Different sorts of neurons are: оқуды бастаңыз		sensory neurons, interneurons and motor neurons.
A sensory neuron function is to: оқуды бастаңыз		take messages to the CNS.
A sensory neuron may be equipped with: оқуды бастаңыз		endings called sensory receptors that detect changes in the environment.
An interneuron lies оқуды бастаңыз		within the CNS.
An interneuron function is to: оқуды бастаңыз		receive input from sensory neurons and from other interneurons. Sum up all the messages received from sensory neurons before communicate with motor neurons.
A motor neuron function is to: оқуды бастаңыз		take messages away from the CNS to an effector.

the nervous system

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