Valves of the heart open and close due to
A) electrical signals.
B) contraction of papillary muscles.
C) pressure changes.
D) timing sequences.
E) None of the answers are correct.
C) pressure changes.
Anatomy & Physiology
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What muscles externally rotate the Humerus at the shoulder joint?
What will be an ideal response?
Anatomy & Physiology
A narrow, slit-like opening through a bone is called a _________
Fill in the blank with correct word.
Anatomy & Physiology
What plane of section divides the body into anterior and posterior parts?
What will be an ideal response?
Anatomy & Physiology
The majority of the body's total body water is contained within the:
A. extracellular space. B. intracellular space. C. intravascular fluid. D. interstitial fluid.
Anatomy & Physiology