Week 2-Nervous Tissue

Question 1

Nervous tissue

Answer 1

-located within brain, spinal cord, and nerves that traverse through the body
-consists of neurons and glial cells
-well vascularized

Question 2

Glial cells

Answer 2

-do not transmit nerve impulses
-responsible for protection, nourishment, and support of neurons

Question 3

Neurons

Answer 3

-receive, process, and transmit nerve impulses
-each has cell body that houses nucleus and other organelles
-extending from cell body are branches called nerve cell processes
-dendrites: shorter and numerous which receive incoming signals and transmit
info to cell body
-axon: single long process that carries outgoing signals to other cells
-usually longest cells in the body, with some longer than 1 meter