BIO 161 PSU EXAM 2 A GRADED QUESTIONS AND ANSWERS

BIO 161 PSU EXAM 2 A GRADED QUESTIONS AND ANSWERSendocrine system - glands secret hormones directly to the blood nervous tissue - fast and direct to target functions of neurons - excitable, conductive, secrete neurotransmitters, respond to stimuli dendrites - receive signals from other neurons cell body - contain nucleus axons - can be myelinated or not, help with faster transmission synapse - point in between two neurons unipolar neurons - axon branches off cell body in two places type of neurons are sensory neurons - unipolar multipolar neurons - all dendrites go directly into the soma bipolar neuron - 1 dendrite enters soma, 1 axon exits soma bipolar neuron - unipolar neuron - multipolar neuron - neuroglia - supporting cells in the nervous systems supporting cells in CNS - oligodendrocytes supporting cells PNS - schwann cells Parts of an axon - endoneurium, perineurium, epineurium endoneurium - made of schwann cell and axon BIO 161 PSU EXAM 2 A GRADED QUESTIONS AND ANSWERS © Only Students - D.N stuvia. perineurium - bundles into fasciles © Only Students - D.N stuvia. epineurium - outer layer to the axon made of dense irregular tissue circuits - allow body to respond to a stimuli to get back to homeostasis through the spinal cord meninges - dura, arachnoid, pia white matter - made of axons gray matter - made of cell bodies afferent neurons - detect stimuli, delivery sensory info afferent neurons enter info to the - d