SME
Grade 4 Science · Life Science
Internal and external structures of organisms
Tap the parts inside and outside the body to learn the job each one does.
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The brain gets messages from the eyes, ears and skin.
It decides what the body does next.
Assumptions
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Some parts are outside, like skin and eyes. Some are inside, like the heart and lungs.
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Each part has a job that helps the animal live and grow.
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Plants have parts with jobs too: roots, stems, leaves and thorns.
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Tap a part to read its job.
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Messages sent by light or by sound
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Beats per minute from a 15-second count
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