Bio ch12 Nervous systems and its functions

Question 1

Is biology hard?

Answer 1

Yes it’s a lot to memorize

Question 2

Are minions cool?

Answer 2

He’ll yeah!

Question 3

The nervous system is responsible for

Answer 3

Perceptions behaviors, and memories. It initiatest all voluntary movement

Question 4

Neurology deals with

Answer 4

Normal functioning and disorders of the nervous system

Question 5

Peripheral Nervous system (PNS)

Answer 5

Consist of all nervous TISSUE Outside of the CNS.

Question 6

CNS

Answer 6

Central nervous system consist of the brain and spinal cord.

Question 7

CNS

Answer 7

Is also located in the skull and has 85 billion neurons

Question 8

Spinal cord has

Answer 8

100 million neurons

Question 9

Nerve is

Answer 9

A bundle of hundreds to thousands of axons plus associated connective tissue and blood vessels that lies outside the BRAIN AND SPINAL CORD

Question 10

12 PAIRS OF CRANIAL NERVES

Answer 10

Emerge from the brain

Question 11

31 PAIRS OF SPINAL NERVES

Answer 11

Emerge from the spinal cord

Question 12

Ganglia

Answer 12

Are small masses or nervous tissue

Question 13

Ganglia

Answer 13

Consisting primarily of neuron cell bodies

Question 14

Ganglia

Answer 14

Located outside of the brain and spinal cord

Question 15

Ganglia

Answer 15

Closely associated with cranial and spinal nerves

Question 16

Enteric plexuses

Answer 16

Are extensive networks of neurons located in the walls of organs of the gastrointestinal track.

Question 17

Sensory RECEPTOR

Answer 17

Refers to a structure of nervous systems that monitors the CHANGES IN THE INTERNAL AND EXTERNAL environment

Question 18

PNS is divided into three parts

Answer 18

SNS (somatic nervous system )soma = body. And ANS (autonomic nervous system)auto=self,nomic=law.ENS (enteric nervous system)enteron=intestines

Question 19

SNS consists of

Answer 19

(1) sensory neuron that convey info to the CNS and (2) motor neurons that conducts impulses from the CNS to the skeletal muscles only.

Question 20

Sensory FUNCTION

Answer 20

Detect internal and external stimuli

Question 21

Integrative FUNCTION

Answer 21

Processes sensory information. Activity known as integration

Question 22

Motor FUNCTION

Answer 22

Activates effectors. Causes muscles to contract and glands to secrete.

Question 23

PNS voluntary control

Answer 23

SNS somatic nervous system that controls skeletal muscle

Question 24

PNS INVOLUNTARY control(2 systems)

Answer 24

ANS - autonomic nervous systems smooth muscle, cardiac and glands muscle.
ENS - enteric nervous system
endocrine cells of gi tract

Question 25

Body system responsible for adaptive immunity and some aspects of innate immunity

Answer 25

Lymphatic system

Question 26

Consist of a fluid called lymph, vessels called lymphatic vessels that transport than them a number of structures and organs containing lymphatic tissue (lymphocytes within filtering tissue) and red bone marrow.

Answer 26

Lymphatic system