Homeostasis

What is homeostasis?

•Occurring when important variable deviate from acceptable ranges, triggering responses to return to acceptable values.

• positive feedback mechanism

• Negative feedback mechanism

• hypothalamus

• pnf

.............. Feedback amplifying the response and action.

• cnf

• negative

• positive

• pnf

Sympathetic nerves (accelerator) and parasympathetic (brake) tells the rate of breathing, HR and body temperature to increase or decrease body

• true

• false

A positive example of positive feedback is attracting more platelets allowing greater clotting

• false

• true

The .................. is the brain and spinal cord

• CNS

• cardiac muscle

• PNS

• smooth muscle

The ......... includes everything outside the brain and spinal cord

• PNS

• CNS

• medulla oblongata

• •conscious control

This is the way electrical signals go from the CNS and PNF system receiving and giving information.

• true

• false

•This system regulates the internal environment of the organism via the dispersal of chemicals (hormones) that act at certain receptors throughout the body.

• cardiovascular

• respiratory

• Endocrine

• skeletal

What is the relationship between the nervous system and the endocrine system in gaining homeostatic control?