Lesson 1 Homeostasis introduction

Lesson 1 Homeostasis

What happens if our environment changes? Will we survive?

Poll

Can we survive changes in the environment?

• Yes

• No

• Depends on the change

Multiple Select

What does our body need to keep control off?

• Temperature

• CO2 Levels

• Blood Sugar

• water

• ion concentration

Multiple Choice

Maintaining internal stable conditions is the definition of...

• Hypertonic

• Hypotonic

• Homeostasis

• Heterotroph

Multiple Choice

When you are cold you...

• shiver to create heat

• sweat

• blood vessels dilate

• increase heart rate

Multiple Choice

When you are hot you....

• sweat

• shiver

• get goosebumps

• hairs stand up on arm

Multiple Choice

Thermoregulation means?

• Maintain temperature

• Maintain water levels

• Maintain heart rate

• Maintain breathing

Multiple Choice

which of the organ will balance the glucose level in the body?

• Stomach
• Small intensine
• Deodenum
• Pancrease

Multiple Choice

What is mean by homeostasis?

• Controls and coordinates body activities through chemical 
• controls and coordinates body activities through electrical impulses
• For maintenance of a steady state in the internal environment
• remove metabolic waste products from the cel

Multiple Choice

Which internal condition is NOT controlled by homeostasis?

• body temperature

• water content of the body

• number of red blood cells

• blood glucose concentration

Multiple Choice

What is mean by homeostasis?

• Controls and coordinates body activities through chemical 
• controls and coordinates body activities through electrical impulses
• For maintenance of a steady state in the internal environment
• remove metabolic waste products from the cel

Multiple Choice

Which component of homeostasis does this image represent?

• Receptor

• Control Center

• Effector

Multiple Choice

Which component of homeostasis does this image represent?

• Receptor

• Control Center

• Effector

Multiple Choice

Which component of homeostasis does this image represent?

• Receptor

• Control Center

• Effector

Multiple Choice

Which parts of the body are usually Effectors?

• Sense Organs

• Muscles & Glands

• Control Center

• Arms & Legs

Multiple Choice

Which parts of the body are usually Receptors?

• Sense Organs

• Muscles & Glands

• Control Center

• Arms & Legs

Multiple Choice

This receives information from Receptors, coordinates a response, & sends it to the Effectors.

• Control Center

• Sense Organs

• Muscles & Glands

• Hormones

Multiple Choice

Which of the following responds to the output message from the Control Center?

• Effector

• Receptor

• Sense Organs

• Brain & Spinal Cord

Multiple Choice

Which of the following detects a change & sends the info to the Control Center?

• Receptors

• Effectors

• Muscles & Glands

• Brain & Spinal Cord

Multiple Choice

Negative Feedback loops are...

• Purposeful pushes above normal set values.

• Counteract a change to bring it back to normal set values

• Are rare

• Help with childbirth