Nervous and Muscular Tissue (wk3 Ch5.4)

Question 1

membrane potential

Answer 1

electrical charge difference (voltage) occurs across plasma membranes of all cells

Question 2

is specialized for communication by means of electrical and chemical signals

Answer 2

nervous tissue

Question 3

all cells of nervous tissue except neurons; cells that perform various supportive and protective roles for neurons

Answer 3

neuroglia

Question 4

neurosoma is

Answer 4

the cell body of a neuron. houses the nucleus and most other organelles

Question 5

how many types of glial cells are there

Answer 5

6

Question 6

is specialized to contract when stimulated and thus to exert a physical force on other tissues, organs or fluids

Answer 6

muscle tissue

Question 7

Three types of muscle tissue

Answer 7

skeletal
cardiac
smooth

Question 8

muscle fibers are found in what type of muscle tissue

Answer 8

skeletal muscle

Question 9

what does it mean that skeletal muscles are described as striated and voluntary

Answer 9

1. alternating light and dark bands

2. conscious control over skeletal muscles

Question 10

cardiac muscle consists of

Answer 10

cardiomyocytes; short cells rather than long fibers

Question 11

smooth muscles lack

Answer 11

striations and are involuntary