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

Fill in the Blanks

is the regulation of conditions inside the body (Cells) in response to internal and external stimulus

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