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Describe how the sea star respires.
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- Describe the respiratory system of birds and how it allows oxygen-rich air to enter the lungs during both inhalation and exhalation.In cephalopods contraction of _____________________of the mantle force water from the mantle cavity through the ________________. radial----inhalant valve circular-----inhalant valve radial----funnel (siphon) circular----funnel (siphon) tunic----inhalant valveIn insects, the respiratory system involves structures called tracheal tubes. How do the tracheal tubes provide oxygen to the insects body?
- I) Describe the pathway of a drop of blood starting in the right atrium and ending in the left foot. Ii) list two major differences between bird lungs and the mammalian lungsExplain why the lungs of a frog is underdeveloped.Describe the role of each of the following in insectrespiration: hemolymph, tracheae, tracheoles, spiracles,air sacs, tracheal gills.