Homeostasis
Presentation
•
Science
•
7th Grade
•
Hard
James Gonzalez
FREE Resource
5 Slides • 10 Questions
1
Homeostasis
You will be able to describe how your body maintains stable internal conditions through homeostasis.
2
Open Ended
Describe what happens to your body when you get cold.
3
When you get cold many systems work together to warm you up.
Integumentary system-You skin feels the change in temperature.
Nervous system- Nerves in your skin send signals to the brain telling you that it is too cold.
Muscular system-Your muscles contract to make goosebumps and you shiver creating heat.
4
Match
Match the following system to how it controls body temperature
nervous
integumentary
muscular
sends signals to brain
skin feels changes in temperature
goosebumps form and your body shivers
sends signals to brain
skin feels changes in temperature
goosebumps form and your body shivers
5
Multiple Choice
Predict: What does your body do if it is too hot?
shivers
sweats
6
7
Watch the following video on homeostasis, then answer the questions that follow.
8
9
Multiple Choice
Which of the following animals has a body temperature that doesn't change depending on the weather outside?
lizard
dog
snake
10
Multiple Choice
What can you infer about the prefix "thermo-" from the word "thermoregulation?"
it refers to the brain
it refers to temperature
it refers to feedback
11
Reorder
Reorder the following
Your body begins overheating
Nerves and hormones communicate with the hypothalamus
You begin to sweat
12
Multiple Choice
What might happen if you didn't run a fever when you got sick?
You would recover much more quickly
Your temperature would drop to dangerous levels
Your body wouldn't fight the infection as efficiently as it could
13
Multiple Choice
When do you use your excretory organs?
When you get sick
When you go to the bathroom
When you take a breath
14
Multiple Choice
Which of the following is an example of negative feedback?
A dog panting in the hot sun
A pregnant woman experiencing contractions
Waste building up in your intestines
15
Multiple Choice
What does it mean to maintain balance or homeostasis?
Controlling what happens in the world around you.
The controlling and maintaining of the internal environment of an organism.
Homeostasis
You will be able to describe how your body maintains stable internal conditions through homeostasis.
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