| Question |
Answer |
| two types of cells that make up neural tissue |
neurons, neuroglical cells |
| nervous system divided into 2 divisions what are they |
CNS and PNS |
| the ____ nervous system contains brain and spinal cord |
central |
| the _____ nervous system contains the spinal and cranial nerves |
peripheral |
| list 2 divisons of the peripheral nervous system |
sensory and motor |
| list 2 divisions of the motor divison |
autonomic and somatic |
| which division of motor carries impulses to heart |
autonomic |
| which divison of motor carries impulses to skeletal muscles |
somatic |
| which division of peripheral n.s carries impulses to the muscles and glands |
motor |
| which division of PNS picks up sensory info and sends it to the CNS |
sensory |
| what is meant by the terms efferent and afferent |
e= sends impulses away from CNSA= sends impules to CNS |
| ___ neurons carry impules away from CNS |
motor |
| ___ neruons carry impulses towards the CNS |
sensory |
| nerve impulses travel from neuron to neuron at junctions called |
synapse |
| at resting membrane potential the ions are |
polarized |
| if mem. has become more neg. it has become |
hyperpolarized |
| if mem. has become less neg it has become |
depolarized |
| the adding of stimuli to each other is called |
summation |
| when stimuli add up to the point of producing an action potential it is known as a ___ stimulus |
threshold |