Answer the following statements true (T) or false (F)
1. The SA node is located in the upper wall of the right atrium.
2. The Purkinje cells are tightly bound together to form the AV bundle.
3. Arteries that arise about an inch inferior to the celiac and deliver blood to the pancreas, small intestine and most of the large intestine are the inferior mesenteric arteries.
4. The terminal portions of the large intestine and rectum receive arterial blood from the superior mesenteric arteries.
1. TRUE
2. FALSE
3. FALSE
4. FALSE
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Which condition is caused by roundworm infection and characterized by a dramatic accumulation of fluid, especially in the extremities?
A. Sickle cell disease B. Elephantiasis C. Lymphadenopathy D. Lymphadenitis E. Lymphoma
Although skeletal muscle fibers cannot divide, new muscle fibers are produced through the division of ________, which are mesenchymal cells that persist in adult skeletal muscle.
Fill in the blank(s) with the appropriate word(s).
The ductus deferentia are muscular tubes, each about 25 centimeters long
Indicate whether the statement is true or false
Transportation functions of the circulatory system include ________.
A. carrying metabolic waste B. carrying oxygen and carbon dioxide C. carrying leukocytes D. carrying absorbed products of digestion E. All of the choices are correct.