Capillary beds are composed of two types of blood vessels: ________ and ________.
A. arterioles; venules
B. a vascular shunt; true capillaries
C. tunica media; tunica externa
D. lumens; valves
Answer: B
You might also like to view...
What is the function of the sphenoid bone?
A) It forms the anterior roof of the mouth or bony palate. B) It forms the roof of the orbits. C) It supports a prominent partition that forms part of the nasal septum. D) It helps slow airflow in the nasal cavity. E) It acts like a bridge uniting the cranial and facial bones.
Compartmentation refers to
A) pairing together isozymes that perform similar reactions. B) dividing metabolic reactions into groups for better understanding. C) separating substrates into chemical classes. D) grouping related enzymes into specific organelles.
Plasma cells
A) increase the volume of the blood plasma. B) directly attack antigens. C) produce interferon. D) produce antibody molecules.
The part of the descending aorta that extends from the thorax to the diaphragm is the
A. ascending aorta. B. aortic arch. C. thoracic aorta. D. abdominal aorta.