| What is the nervous system made up of? | The peripheral nervous system: Transmits messages via millions of nerve cells to and from the CNS
The central nervous system: made up of the brain and the center of all awarenss, the spinal cord |
| What is the brain responsible for? | Higher mental functions. Conscious awareness |
| What is the spine for? | Extension of the brain, passes messages to and from the brain. Connects to the PNS, involved in reflexes |
| What is somatic? | Governs muscles movements and receives sensory information |
| What is autosomatic? | Governs vital functions in the body eg: breathing, heart rate and digestion |
| Example of sympatheic state and parasympathtic state? | Fight or flight
Rest and digest |
| 6 charactersitics of the sympathetic state? | Increase heart rate
Increases breathing rate
Inhibits saliva production
Contracts rectum
Inhibits digestion
Dilates pupils |
| 6 charactersitics of parasympathic state? | Decrease heart rate
Decrease breathing rate
Simulates saliva
Relaxes rectum
Stimulates digestion
Constricts pupils |
| How does the sympathtic and parasympathetic state work together? | They work together antagonistically (oppose each other) |
| What is the endocrine system? | Work alonside the nervous sytem to control vital finctions - acts more solwy but has widespread and powerful effects. Seen with glands in the body like thyroid gland |
| What do hormones do and how do they work? | Hormones are secreted into the bloodstream and affect any cell in the body that has a receptor for that particular hormone. |
| What does the pancreas produce? | insulin |
| what does the adrenal gland produce? | adrenaline |
| Where is the pituitary gland and function? | found in the brain and is said to be the boss. |
| What does the thyroid gland do? | make energy for food and there are 4 parathyroid glands which controls calcium |
| What are the 2 reproductive glands? | testes and ovaries |
| What produces hormones? | glands |
