Compare the structure of arteries, capillaries, and veins.
What will be an ideal response?
Answer: Arteries have thick smooth muscular wall surrounding the endothelium, while capillaries have only a simple endothelium surrounded by occasional smooth muscle cells. Veins have a wide lumen, and stiffer walls with more connective tissue and relatively few elastic fibers and smooth muscle cells.
You might also like to view...
Ion channels that open in response to depolarization are called ________.
A. voltage-gated channels B. potential-gated channels C. ion-gated channels D. stimulation-gated channels
This serous membrane lines the walls of the abdominal cavity and covers its organs
A) peritoneum B) pericardium C) pleura
Spinal shock is a condition that:
A) generally affects the sensory nerves but spares the motor nerves. B) is usually temporary and results from swelling of the spinal cord. C) typically manifests within 24 to 36 hours following a spinal injury. D) results in permanent neurologic deficits in the majority of patients.
Which cavity houses the mediastinum?
A) thoracic B) pelvic C) abdominal D) cranial E) spinal