Which of the following is used to reduce friction between the layers of membranes surrounding the heart?
a) Synovial fluid
b) Endocardium
c) Pleural fluid
d) Pericardial fluid
e) Capillary endothelium
d
Anatomy & Physiology
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As a rule, during adulthood
A) all of the above. B) the skin becomes less elastic. C) the circulatory system becomes less efficient. D) skeletal muscles tend to lose strength.
Anatomy & Physiology
Olfaction is the sense of __________.
Fill in the blank(s) with the appropriate word(s).Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
The region where the axon terminal meets its target cell is called theThe region where the axon terminal meets its target cell is called the
A) collateral. B) dendrites. C) hillock. D) synapse. E) nerve.
Anatomy & Physiology
The model that helps explain how an enzyme works is the ________ model.
A. three-dimensional B. lock-and-key C. denaturation D. activation
Anatomy & Physiology