Homeostasis Challenge

Opposes a change in internal environment; Reverse changes 'back to normal' to stabilize conditions.

• Negative Feedback Loop

• Positive Feedback Loop

Shivering when it is cold

• Negative Feedback Loop

• Positive Feedback Loop

Sweating when exercising or hot outside

• Negative Feedback Loop

• Positive Feedback Loop

Stretch receptors being activated in birth canal by baby and oxytocin being released from the brain to the uterus to stimulate stronger contractions.

• Negative Feedback Loop

• Positive Feedback Loop

What is a disease where sufferers cannot control their blood glucose levels?

• Diabetes
• Influenza
• Cholera
• Cystic fibrosis

Tags

NGSS.HS-LS1-3

Homeostasis

• allows for a wildly fluctuating internal environment

• is impossible in vertebrates

• is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation

Tags

NGSS.HS-LS1-3

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

• STABLE

• OFF BALANCE

• COMPLETE

• CORRECT

What hormone is produced in the pancreas that lowers blood sugar?

• Insulin

• Glucagon

• Ketones

• Glucose

What is the point of a feedback loop?

• To provide the body with more energy

• To provide the body with more food

• To make sure the conditions in the body are always changing

• To make sure the conditions in the body remain stable

Tags

NGSS.HS-LS1-3

The two types of feedback systems that help organisms maintain homeostasis are:

• positive and negative

• receptor and effector

• static and dynamic

• minor and major