Select the correct statement about the structure of the heart wall.
A) The fibrous skeleton forms the bulk of the heart.
B) Connective tissue in the heart wall aids in the conduction of the action potential.
C) The heart chambers are lined by the endomysium.
D) The myocardium is the layer of the heart that actually contracts.
D) The myocardium is the layer of the heart that actually contracts.
You might also like to view...
Which of the following describes the asynchronous mode of teleost oocyte development?
a. multiple spawners; prolonged season b. multiple spawners; short season c. single spawners; prolonged season d. single spawners, short season e. none of these
Which bone forms in the tendon of a muscle?
A. Pubis B. Scaphoid C. Calcaneus D. Patella E. Talus
The predominant intracellular cation is ________.
A. Mg2+ B. K+ C. Na+ D. Cl? E. Ca2+
The presence of acid in the duodenum stimulates the release of __________
Fill in the blank(s) with correct word