3.5 Organ Systems working together

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3.5 Organ Systems working together

• Text pages 78-80

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Vocabulary

• Hormones

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All organ systems must work together

• Supplying nutrients and removing wastes
• Respiratory
• Circulatory
• Digestive
• Excretory

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Regulating the body

• Endocrine system
• Produces hormones (chemical messengers)
• Nervous system
• Electrical messages

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