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GRASSHOPPER ORGAN SYSTEMS






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GRASSHOPPER ORGAN SYSTEMS. Types of CIRCULATORY SYSTEMS. OPEN CIRCULATORY SYSTEM HEMOLYMPH (Blood) bathes organs DOES NOT stay in blood vessels Collects in sinuses (body cavity) for return to heart Less efficient INVERTEBRATES.
GRASSHOPPER ORGAN SYSTEMS

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Grasshopper organ systemsSlide 1

GRASSHOPPER ORGAN SYSTEMS

Types of circulatory systemsSlide 2

Types ofCIRCULATORY SYSTEMS

  • OPEN CIRCULATORY SYSTEM

  • HEMOLYMPH (Blood) bathes organs

  • DOES NOT stay in blood vessels

  • Collects in sinuses (body cavity) for return to heart

  • Less efficient

  • INVERTEBRATES

Types of circulatory systems1Slide 3

Types ofCIRCULATORY SYSTEMS

  • CLOSED CIRCULATORY SYSTEM

  • Blood stays in blood vessels

  • Arteries carry blood away from heart

  • aorta largest artery in body

  • Veins returns blood to heart

  • Capillaries connects arteries to veins

  • Very efficient

  • VERTEBRATES

Types of circulatory systems2Slide 4

Types ofCIRCULATORY SYSTEMS

  • SINGLE CIRCULATORY SYSTEM

  • Blood enters the heart ONCE

  • then travels directly to the body

  • Pumped to anterior first

Types of circulatory systems3Slide 5

Types ofCIRCULATORY SYSTEMS

  • DOUBLE CIRCULATORY SYSTEM

  • DEOXYGENATED Blood enters heart then is pumped to lungs

  • Picks up oxygen / releases carbon dioxide

  • OXYGENATED Blood returns to heart

  • Pumped out of heart through AORTA to body

Grasshopper circulatory systemSlide 6

GRASSHOPPER CIRCULATORY SYSTEM

  • SINGLE CIRCULATORY SYSTEM

  • OPEN CIRCULATORY SYSTEM

  • Transports nutrients and wastes

Grasshopper circulatory system1Slide 7

GRASSHOPPER CIRCULATORY SYSTEM

  • DORSAL HEART (tubular)

  • OSTIA pores in heart that collect hemolymph

  • AORTA large artery

  • Carries hemolymph to anterior

  • Hemolymph collects in coelom (body cavity)

  • Returns to heart

Grasshopper respiratory systemSlide 8

GRASSHOPPER RESPIRATORY SYSTEM

  • Exchanges gases

  • SPIRACLES1 pr located on lateral ventral of each abdominal segment except for the last segment

  • Lead to TRACHEAL TUBES

  • Wing movement aids in respiration

Grasshopper respirationSlide 9

GRASSHOPPER RESPIRATION

  • Wings open

  • Abdomen expands creating vacuum

  • Oxygen is pulled in through spiracles

  • Travels through tracheal tubes

  • Oxygen is used / carbon dioxide released

  • Wings close

  • Abdomen contracts pushing out CO2


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