CNS and PNS - Nervous Tissue

Question 1

what is found in the CNS

Answer 1

brain (aka encephalon) + spinal cord

Question 2

what are the two types of connective tissue found in the CNS

Answer 2

meninges and walls of large blood vessels

Question 3

what is found in the PNS

Answer 3

branching peripheral cranial and spinal nerves and relay centres (ganglia)

Question 4

what are the two subdivisions of the PNS

Answer 4

somatic and autonomic nervous system

Question 5

what is the somatic nervous system

Answer 5

is under voluntary control- transmits signals to organs i.e skeletal muscle

Question 6

what is the autonomic nervous system

Answer 6

controls involuntary functions i.e heart rate/blood pressure. consists of smooth muscle, cardiac muscle and glands

Question 7

what are the two basic cells in nervous tissue

Answer 7

neurons and neuroglial cells (collective name)

Question 8

what is the function of neurons

Answer 8

receive and transmit impulses

Question 9

what is the function of neuroglia

Answer 9

support, protect and assist neurons in neural transmission. these cells are not involved in impulse reception/transmission