Human somatic cells contain only one pair of
A. chromosomes.
B. autosomes.
C. homologous chromosomes.
D. sex chromosomes.
D
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Which of the following motions occurs primarily in the sagittal plane?
Which of the following motions occurs primarily in the sagittal plane?
Which of the following statements regarding blood capillaries and lymphatic capillaries is not true?
A. Endothelial cells of both blood and lymphatic capillaries are joined by tight junctions. B. Bacteria and lymphocytes may move into lymphatic capillaries through gaps between cells. C. Lymphatic capillaries are closed at one end, unlike blood capillaries. D. Both lymphatic and blood capillaries are lined with endothelium. E. Both lymphatic and blood capillaries reabsorb fluid from tissue spaces.
The lungs develop from
A. an evagination from the floor of the diencephalon. B. an invagination from the hindgut. C. an evagination from the foregut. D. somitomeres. E. neural crest cells.
One feature of renal blood circulation that makes it unique is that
A. blood flows from arterioles into venules. B. blood flows from venules into arterioles. C. each nephron has at least two capillary networks. D. there is a double set of venules. E. the nephron is only associated with the glomerulus.