Where are the semilunar valves?
A. Between the atria and the ventricles
B. Between the great veins and the atria
C. Between the pulmonary veins and the left atrium
D. Between the ventricles and the great arteries
E. Only between the right ventricle and the pulmonary trunk
D. Between the ventricles and the great arteries
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Lymphocytes are educated within primary lymphoid organs. B cells are educated in the _______ while T cells are educated in the ________.
A. bone marrow; thymus B. thymus; bone marrow C. bone marrow; bone marrow D. thymus; thymus
The central nervous system includes the
A. brain and spinal cord. B. afferent nerves and spinal cord. C. efferent nerves and spinal cord. D. autonomic nervous system and the brain. E. brain stem and the autonomic nervous system.
Axons terminate at each of these locations except
A. bone. B. other neurons. C. skeletal muscles cells. D. glands. E. smooth muscle cells.
Which of the following are associated with the sense of touch?
A. Tactile cells B. Fibroblasts C. Keratinocytes D. Melanocytes E. Dendritic cells