Most of the middle layer in the heart wall is composed of
A) cardiac muscle cells.
B) chondrocytes.
C) epithelial cells.
D) fibrocytes.
E) smooth muscle cells.
Answer: A
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Answer the following statements true (T) or false (F)
1. Reflexes are rapid, automatic responses to stimuli. 2. Efferent nerve fibers may be described as motor nerve fibers. 3. Cell bodies of sensory neurons may be located in ganglia lying outside the central nervous system. 4. Myelination of the nerve fibers in the central nervous system is the job of the oligodendrocyte. 5. During depolarization, the inside of the neuron's membrane becomes less negative.
What and where is the styloid process of the ulna?
What will be an ideal response?
These veins drain the brain
A) external iliac veins B) internal jugular veins C) internal iliac veins D) external jugular veins
The ________ separates the abdominal and thoracic cavities.
A. liver B. lungs C. diaphragm D. rib cage