This system digests the food that we eat and turns it into energy for our body.
Digestive System
Question #1
Brain
Nervous System
Question #2
What are the root words in the word HOMEOSTASIS and what do they mean?
Homeo - Same
Stasis - Stable
The brain controls the position of the bones by controlling muscles.
Skeletal & Nervous
What level comes after body systems?
Organism
Question #3
This is the main system that gives us the ability to move.
Muscular System
Question #1
Heart
Circulatory
Question #2
What happens if an organism is unable to maintain homeostasis? (Be careful with how you answer).
An organism will not immediately die, but over time, it will cause the body systems to fail and shut down if they cannot get back to homeostasis.
Question 5
Food moves involuntarily down the esophagus.
Digestive & Muscular.
How do cells, tissues, organs, and organ systems all work together?
They come together to build the next level. If one fails, the whole system fails. Also, they have specialized jobs.
This system brings in oxygen for our bodies.
Respiratory System
Question #1
Esophagus
Digestive System
Question #2
Give an example of how an organism might respond to their environment to maintain homeostasis.
Answers will vary.
Question 5
The brainstem controls involuntary movement during the process of digestion.
Nervous & Digestive (Muscular also counts)
Pain is a message sent by the brain. Describe the message pathway when we place our hand on a hot stove.
Hand touching stove --> Nerves in hand --> Brain --> Hand Moves
This system creates our blood cells.
Skeletal System
Question #1
Tendons & Ligaments
Skeletal
Question #2
What is homeostasis?
Homeostasis is how our bodies work to maintain a stable internal condition despite changes in our environment.
Question 4
Blood carries digested nutrients to body's cells.
Circulatory & Digestive
Dogs have better night vision than humans. Is this statement supported by the tables? Use evidence to support your answer.
Yes, dogs have better night vision. Like the table says, they have more rods than humans do.
Questions 7 & 8
This system transports oxygen throughout our body.
Circulatory System
Question #1
Diaphragm
Respiratory
Question #2
Why is sleeping in response to low energy not an example of homeostasis?
Sleep does not fufill the need of low energy.
Question 5
Our body brings in oxygen and our bodies deliver that oxygen to all of the cells in our body.
Respiratory & Circulatory

How is the temperature of the mouse related to the mouse's heart rate?
Body temperature and heart rate return to normal levels.
Question 6