Why is oxygen able to diffuse out of the bloodstream and into the peripheral tissues passively?

A) Oxygen has the unique ability to diffuse in or out of any tissue at any time.
B) The plasma has higher quantities of dissolved proteins.
C) There is a lower concentration of oxygen in the tissues than in the bloodstream.
D) There is a higher concentration of oxygen in the tissues than in the bloodstream.
E) None of the answers are correct.


C) There is a lower concentration of oxygen in the tissues than in the bloodstream.

Anatomy & Physiology

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Which of the following descriptions best matches the term basilar membrane?

A) moves up and down due to currents in the perilymph B) transmits movement of the tympanic membrane to the inner ear C) supports the olfactory organ D) tiny duct necessary for the static sense of equilibrium E) covers over the oval window

Anatomy & Physiology

Primary lymphatic organs include the

A. tonsils and spleen. B. thymus and lymph nodes. C. red bone marrow and thymus. D. red bone marrow and lymph nodes.

Anatomy & Physiology

Some membrane proteins are not embedded within the lipid bilayer but are instead anchored loosely to either the inner or the outer surface. Such proteins are called ________ proteins. 

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which digestive aid, produced by the stomach, begins digestion by denaturing proteins?

a) Bicarbonate ion b) mucus c) Bile d) Hydrochloric acid e) Water

Anatomy & Physiology