Internal Insect Systems - Purdue Extension Entomology

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<strong>Insect</strong> Digestive System Caterpillar Digestive System (chewing insect) Milkweed Bug Digestive System (sucking insect)
<strong>Insect</strong> Circulatory System • Open circulatory system • Dorsal vessel supported by alary muscles that pump blood to head • Paired Ostioles in each segment are one way valves that suck blood into dorsal vessel • No hemoglobin in blood. Oxygen is delivered by respiratory system.
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 and 8: Insect Digestive System Generalized
Page 9 and 10: Key Parts of Foregut • Mouth -ing
Page 11: Key Parts of Hindgut Malpighian tub
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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