Homeostasis

Homeostasis

AP Biology ( G 10 )

Multiple Choice

What is another word that can be used to describe "homeostasis"?

• STABLE

• EQUAL

• COMPLETE

• CORRECT

Multiple Choice

If the environment gets cold, we will often shiver in order to:

• keep body temperature the same as the external temperature

• decrease body temperature

• increase body temperature

• regulate blood pressure

Multiple Choice

Which of the following is not regulated by homeostasis?

• body temperature

• blood sugar

• blood pH

• body movements

Multiple Choice

What is the name of physiological value around which the normal range fluctuates

• set point

• normal

• turning point

• 37c

Engage

1. What keeps formula 1 cars on track?

2. What tools does he use to keep this

control?

Analogy

• AS the driver uses steering and brakes , homeostasis uses feedback mechanisms which needs hormones and nerve impulses .

lesson Objectives

• Identify the parts of feedback mechanisms.

• Distinguish between Negative and Positive Feedback mechanisms .

Fill in the Blanks

Is a component of a feedback system that detects a change or a stimulus in the environment .

Fill in the Blanks

a feedback mechanism that intensifies a change in the body’s physiological condition rather than reversing it

Fill in the Blanks

Is the component in a feedback system that compares the value to the normal range.

Fill in the Blanks

is the component in a feedback system that causes a change to reverse the situation and return the value to the normal range.

Fill in the Blanks

Is a mechanism that reverses a deviation from the set point

Open Ended

If your friend was absent in todays lesson and asked you what did you learn , What do you say ?