PNS: The Automatic Nervous system

Question 1

The Automatic Nervous system

Answer 1

subdivision of PNS that connects the body’s internal organs and gands, providing feedback to the brian about their activities.–> its involuntary

Question 2

Factors of ANS

Answer 2

-Called automatic cuz many organs, glands and processes under its control are self regulating
-Occur without conscious thought
-Usually not under voluntary control

Functions continously whether we are aware, active, asleep or even in comma.

Question 3

The sympathetic NS:

Answer 3

Activates/increase internal muscles, organs, glands to prepare for vigorous activity to deal with stressful or threatening situations.

Question 4

Factors of SNS

Answer 4

-Increase heart rate and blood pressure and breathing rate increases so more oxygen can be taken.

-Pupils diate→ to allow more light to enter and enhance vision

-Sweat glands increase→ production of sweat to cool the body

-Also involved when you blush, get goosebumps, making the hairs in your body stand.

Question 5

Parasympathetic Nervous system

Answer 5

in times of mental stress and absense of threats the PNS helps to maintain the internal body enviornment in a steady and balance state of normal functioning.
–> it calms the body

Question 6

Factors of PNS

Answer 6

• reduces heart rate and breathing rates

-minimises the release of sugar and fats into the blood stream

-ball bladder is being stimulated

-inhabition of adrenaline

-contracts bladder

-relaxes rectrum

Question 7

The enteric Nervous system

Answer 7

The gastrointestinal tract is oart of the digestive syste that comprises of hollow organs that food and liquid travel through when they swallow, digested, absorbed and leave the body as fa