Mod 1: Orientation of the human body Flashcards Preview

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Flashcards in Mod 1: Orientation of the human body Deck (7)
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1
Q

The state of dynamic equilibrium of the internal environment of the body is called what?

A

Homeostasis

2
Q

When the effector opposes the stimulus (such as a dropping temperature) and reverses the direction of change (causing the temperature to rise) is called

A

Negative feedback

*Most system supporting homeostasis operate by negative feedback

3
Q

When the effector reinforces the stimulus & amplifies the direction of change is called what

A

Positive feedback
*ex. Uterine contractions during childbirth, which triggers the release of the hormone oxytocin - Even greater contractions and further release of oxytocin

4
Q

What detects change in homeostatic regulation?

A

Receptor

5
Q

An area of the body that receives and processes information from the receptor is called

A

Control center

6
Q

Sends signals (feedback) that either oppose or enhance the stimulus in homeostatic regulation

A

Effector

7
Q

True or false - All 11 body systems work together

A

True