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- 1. Multiple Choice
Which body system includes the brain and spinal cord?
digestive
circulatory
muscular
nervous
- 2. Multiple Choice
"Similar to the way wires carry electricity, __________ carry electrical signals between our senses and the brain."
nerves
blood
oxygen
cells
- 3. Multiple Choice
A signal from your senses reaches the brain instantly.
true
false
- 4. Multiple Choice
Which sense does Woody the termite use to follow Dr. Jeff's special pen line?
smell
taste
touch
sight
- 5. Multiple Choice
Which TWO things do chameleons use their sense of sight for?
sensing prey
watching where they are going
knowing when to change colors
knowing when it is dark so they can go to sleep
- 6. Multiple Choice
What body part does a snake use to smell?
skin
tongue
tail
eyes
- 7. Multiple Choice
Which one of the following events would happen first?
a rabbit nibbles some food
information about the food is sent to the rabbits brain through its nerves
the rabbits 17,000 taste buds gather information about the food
the rabbit decides to eat the whole carrot
the rabbit's brain recognizes the food is a carrot
- 8. Multiple Choice
Which one of these would happen last?
a rabbit nibbles some food
information about the food is sent to the rabbits brain through its nerves
the rabbit's 17,000 taste buds gather information about the food
the rabbit decides to eat the whole carrot
the rabbit's brain recognizes the food is a carrot
- 9. Multiple Choice
Why do human hearts beat faster when we are afraid?
It doesn't, The heart always beats fast.
it is getting the body ready to run away
- 10. Multiple Choice
What is reaction time?
the time it takes senses to gather info & send it to your brain to get processed & react
the time it takes you to run a lap around the playground a second time
the time it takes you to run & hide when your parents catch you doing something wrong
the process of acting out a scene in a show when you make a mistake the first time
- 11. Multiple Choice
Sharks have a special sense that allows them to sense electrical signals from their prey
true
false
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