Internal Insect Systems - Purdue Extension Entomology

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Functional Regions of <strong>Insect</strong> Digestive System • Foregut- Ingestion, Storage, grinding and transport of food to midgut • Midgut- Biochemical breakdown (digestion via secretion of enzymes) and nutrient absorption • Hindgut- Absorption of water, salts and other important minerals, elimination of feces through anus
Key Parts of Foregut • Mouth -ingestion • Oesophagous –tube • Salivary glands –digestive enzymes • Crop- holding • Proventriculus - grinding
Page 1 and 2: What’s under the hood????
Page 3 and 4: Flight System • Direct/Indirect F
Page 5 and 6: Indirect flight muscles Illustratio
Page 7: Insect Digestive System Generalized
Page 11 and 12: Key Parts of Hindgut Malpighian tub
Page 13 and 14: Insect Circulatory System • Open
Page 15 and 16: Insect Respiratory System Spiracles
Page 17 and 18: Key Parts of Respiratory System •
Page 19 and 20: Key Points for Nervous System • 1
Page 21 and 22: Insect Nervous System Tutorial http
Page 23 and 24: Male Reproductive Organs testes acc
Page 25: Insect Reproductive System Female M

Internal Insect Systems - Purdue Extension Entomology

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