Homeostasis & Response to Stimuli

What does homeostasis mean?

• it means "never changing"

• it means "off balance"

• it means "in balance"

• it means "organ systems are all connected"

Being an ectotherm means...

• The blood in the organism is actually always cold.

• the body temperature changes with the environmental temperature

How was Beardy regulating his temperature?

• Using the environment

• His body was doing it on its own

What is the purpose of sweating?

• To release water from the body

• To increase body temperature

• To bring the body temperature back to normal

How does your body generate internal heat?

• Shivering 

• Sweating

Negative Feedback loops occure when the body tries to ________ a condition it is experiencing 

• amplify

• reverse

Insulin and glucagon are used to:

• continually put glucose into cells

• Keep blood glucose levels in an ideal range

• continually take glucose out of cells

What does positive feedback do?

• Brings the change back to normal

• Brings the change further away from the normal

Why do people with diabetes have a hard time keeping a balanced blood-glucose level?

• they don't synthesize any insulin.

• They don't synthesize any glucagon.

Which of the following is an example of positive feedback?

• regulation of body temperature

• regulation of blood glucose level

• contractions in childbirth