The photoreceptors in the eye are sensitive only to wavelengths between ____

a. 40 and 70 nanometers
b. 400 and 700 nanometers
c. 4 and 7 micrometers
d. 40 and 70 micrometers
e. 400 and 700 micrometers


b

Anatomy & Physiology

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Which term best describes the function of blood when considering the presence of carbon dioxide and endocrine hormones?

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Indicate whether the statement is true or false.

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