chapter 12 test

Question 1

FUNCTIONS OF NERVOUS SYSTEM

Answer 1

Nervous system: communication and control system
Functions:
1. Collect information
Receptors detect stimuli and send sensory signals to spinal cord and brain
2. Processes and evaluate information
Brain and spinal cord determine response to sensory input
3. Initiate response to information
Brain and spinal send motor output via nerves to effectors (muscles or glands)

Question 2

Structural organization

Answer 2

Structural organization: central vs peripheral
Central nervous system (CNS) = brain and spinal cord
Peripheral nervous system (PNS) = nerves and ganglia