-Oxygen dissolves in a film of water on the ________________ and then different

Question

-Oxygen dissolves in a film of water on the ________________ and then different into the bloodstream.
a.)pharynx
b.)glottis
c.)trachea
d.)bronchi
e.)alveoli

-Which of the following does not fit with the others?
a.)operculum
b.)gill arches
c.)countercurrent flow
d.)lungs
e.)diffusion of oxygen into blood

-Receptors in the medulla sense____________ in blood pH due to _______________
a.)an increase; lower levels of oxygen.
b.)an increase; higher levels of oxygen.
c.)a decrease; lower levels of carbon dioxide.
d.)a decrease; higher levels of carbon dioxide.

-____________ is a respiratory pigment that contains copper found in arthropods and many mollusks
a.) Hemoglobin
b.)Chlorophyll
c.)Anthocyanin
d.)Carotene
e.)Hemocyanin

-______________ is a respiratory pigment that contains iron found in vertebrates.
a.)Hemoglobin
b.)Chlorophyll
c.)Anthocyanin
d.)Carotene
e.)Hemocyanin.

Explanation / Answer

1. e, alveoli 2. d, lungs. All the other terms apply to fish. 3. d, decrease, higher levels of CO2 4. e, hemocyanin 5. a, hemoglobin Hope this helps

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