Hemoglobin
a. consists of a protein made up of four highly folded polypeptide chains and four iron-containing nonprotein, nitrogenous groups.
b. appears reddish when combined with O2 and bluish when deoxygenated.
c. can combine only with O2.
d. both (a) and (b) above are correct.
e. all of these answers.
D
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A lever is acted on at two different points by two different forces which are called the
a) fulcrum and resistance. b) leverage and load. c) lever and resistance. d) effort and load. e) lever and effort.
The indicated blood vessels and nerve are found within a ______.
See A&P photo Central (Haversian) canal Perforating (Volkmann's) canal marrow cavity caniculus
The ______ refines bodily movement and balance based on sensory inputs.
Fill in the blank(s) with the appropriate word(s)
Cardiac muscle cells tend to be thicker and shorter than skeletal muscle cells.
Answer the following statement true (T) or false (F)