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3rd Grade Unit 1 Natural Science Review
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What three parts make up the nervous system?
lungs, nose, large intestine
brain, spinal cord, nerves
nerves, blood, stomach
large intestine, small intestine, stomach
Oops!
Okay!
What three parts protect the eyes?
eyebrows, eyelashes, eyelids
retina, lens, iris
iris, eyebrows, retina
Oops!
Okay!
What does the cerebrum control?
involuntary actions
voluntary actions
coordination and balance
Oops!
Okay!
Which part sends information to your brain which tells you what you are smelling?
taste buds
nostrils
olfactory nerve
Oops!
Okay!
What makes up the locomotor system?
nerves, blood, heart
heart, muscles, skin
bones, joints, muscles
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Okay!
Where is the eardrum?
outer ear
middle ear
inner ear
Oops!
Okay!
What is the organ of touch?
skin
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Okay!
Which muscles help you walk and jump?
biceps and triceps
calf muscles and quadriceps
Oops!
Okay!
What connects your bones?
muscles
bones
joints
ligaments
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Okay!
Which bones form part of the lower limbs?
femur, fibula, tibia
elbows, knees, wrists
ribs, pelvis, radius
humerus, ulna, radius
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Okay!
What does the cerebellum control?
balance, movement, coordination
involuntary actions
voluntary actions
Oops!
Okay!
What are the three parts of the ears?
outer ear, middle ear, inner ear
Oops!
Okay!
Where is the ear canal?
middle ear
outer ear
inner ear
Oops!
Okay!
How does this feel?
hot
cold
hard
soft
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Okay!
Where does air enter our nose?
nostrils
olfactory nerve
taste buds
Oops!
Okay!
Which bones form part of the upper limbs?
elbows, knees, wrists
femur, fibula, tibia
humerus, ulna, radius
ribs, pelvis, radius
Oops!
Okay!
Which muscles help you move your arms?
quadriceps and calf muscles
biceps and triceps
Oops!
Okay!
What covers our tongues?
fur
olfactory nerves
taste buds
hair
Oops!
Okay!
Which part of the eye sends the information to the brain?
pupil
retina
iris
eyelashes
Oops!
Okay!
How does this feel?
rough
cold
smooth
soft
Oops!
Okay!
What is the name of the sticky substance inside your ear canal?
earwax
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Okay!
Which bone protects the brain?
tibia
ribs
pelvis
skull
Oops!
Okay!
What do muscles help us do?
all of these are correct
stand
hold objects
make movements
Oops!
Okay!
What does the brain stem control?
involuntary actions
voluntary actions
balance and movement
Oops!
Okay!
Which parts of the body can send messages to the brain?
eyes, ears, nose, tongue, skin (sense organs)
Oops!
Okay!
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