Biology, 26.07.2019 09:00 pressure772
As a defense mechanism against pathogens, mucous membranes a. cover all of the body's surfaces to act as an impenetrable barrier b. line internal body surfaces that contact the environment c. produce antibodies to combat infection d. secrete sweat, which has antibacterial enzymes
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Biology, 21.06.2019 17:00
Which of the following is not a characteristic of carnosaurs? a. long narrow skulls b. strong forelimbs c. horn projecting from their skulls d. none of the above
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Biology, 22.06.2019 07:00
When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur
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Biology, 22.06.2019 07:30
The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body
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Biology, 22.06.2019 09:30
Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?
Answers: 1
As a defense mechanism against pathogens, mucous membranes a. cover all of the body's surfaces to ac...
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