Autonomic regulation of body heat is achieved by increasing or decreasing sympathetic stimulation to the skin. This example demonstrates that the sympathetic nervous system ________.
A. functions independently of the parasympathetic nervous system in specific organs or tissues
B. is primarily involved with responses to the environment and exercise, while parasympathetic regulates visceral responses
C. suppresses the parasympathetic responses, whenever stimulated
D. All of the choices are correct.
Answer: A
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In each ventricle is a blood vessel network called the ________ that produces cerebrospinal fluid
A) choroid plexus B) jugular vein C) carotid artery D) vertebral artery E) dural sinus
During exercise, blood flow to skeletal muscles increases. What other blood flow changes occur?
A. Blood flow to coronary vessels increases, and flow to abdominal organs decreases. B. Blood flow to skin decreases, and flow to the kidneys increases. C. Blood flow to coronary vessels increases, and flow to skin and brain decreases. D. Blood flow to skin, heart, and kidneys decreases.
Match the following:
A) Epiphyseal line B) Diaphysis C) Epiphyseal plate D) Appositional growth E) Chondrocytes 1) The cells responsible for the early stages of endochondral ossification. 2) The growth pattern of bone in which matrix is laid down on the surface. 3) The area of long bones where cartilage cells are replaced by bone cells. 4) The appearance of this structure signals the end of bone growth. 5) Area where bone longitudinal growth takes place.
The work performed by a muscle is the force it develops divided by distance
Indicate whether the statement is true or false