The useful idea
- The useful idea
Stress, whether physiological, biological or psychological, is an organism's response to a stressor, such as an environmental condition or change in life circumstances.
- How it works
When stressed by stimuli that alter an organism's environment, multiple systems respond across the body.
- Why it matters
In humans and most mammals, the autonomic nervous system and hypothalamic-pituitary-adrenal (HPA) axis are the two major systems that respond to stress.
Why this matters
Use Stress (biology) to ask clearer questions; personal health decisions still belong with a qualified professional.
Try this
Use Stress (biology) to ask clearer questions; personal health decisions still belong with a qualified professional.
Test your recall
Which idea belongs to the explanation of Stress (biology)?
- The useful idea — correct
- How it works
- Why it matters
Stress, whether physiological, biological or psychological, is an organism's response to a stressor, such as an environmental condition or change in life circumstances.
General education only — not medical advice, diagnosis, or treatment.