Share 3rd Grade Unit 1 Natural Science Review
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What three parts make up the nervous system?
nerves, blood, stomach
lungs, nose, large intestine
brain, spinal cord, nerves
large intestine, small intestine, stomach
Which bone protects the brain?
tibia
skull
pelvis
ribs
What does the cerebrum control?
involuntary actions
voluntary actions
coordination and balance
What does the cerebellum control?
involuntary actions
voluntary actions
balance, movement, coordination
What does the brain stem control?
voluntary actions
balance and movement
involuntary actions
Which part of the eye sends the information to the brain?
pupil
iris
retina
eyelashes
What are the three parts of the ears?
outer ear, middle ear, inner ear
What is the organ of touch?
skin
What makes up the locomotor system?
nerves, blood, heart
bones, joints, muscles
heart, muscles, skin
What connects your bones?
ligaments
bones
muscles
joints
Where does air enter our nose?
olfactory nerve
nostrils
taste buds
What do muscles help us do?
make movements
all of these are correct
stand
hold objects
Which part sends information to your brain which tells you what you are smelling?
taste buds
olfactory nerve
nostrils
Where is the ear canal?
middle ear
outer ear
inner ear
Where is the eardrum?
middle ear
inner ear
outer ear
What three parts protect the eyes?
eyebrows, eyelashes, eyelids
retina, lens, iris
iris, eyebrows, retina
