Each lobule of a testis contains several highly coiled ________, which produce sperm.
A. interstitial tubules
B. seminiferous tubules
C. testicular septa
D. epididymal tubules
Answer: B
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Myelin is a lipid insulation produced by the ________
A) Oligodendrocytes B) Ependymal cells C) Astrocytes D) Microglia
The gene that codes for the testis-determining factor (TDF) is found in or on the ________.
A. mesonephros B. gonadal ridges C. fetal testes D. X chromosome E. Y chromosome
What is the path of blood from the heart to the right little finger (pinky) and back to the heart?
A. Aorta ? right subclavian artery ? right axillary artery ? right brachial artery ? right radial artery ? palmar arches ? venous palmar arches ? right radial vein ? right brachial vein ? right axillary vein ? right subclavian vein ? superior vena cava B. Aorta ? brachiocephalic trunk ? right subclavian artery ? right axillary artery ? right brachial artery ? right ulnar artery ? palmar arches ? venous palmar arches ? right ulnar vein ? right brachial vein ? right axillary vein ? right subclavian vein ? right brachiocephalic vein ? superior vena cava C. Aorta ? right subclavian artery ? right axillary artery ? right brachial artery ? right basilic artery ? palmar arches ? venous palmar arches ? right basilic vein ? right cephalic vein ? right subclavian vein ? right brachiocephalic vein ? superior vena cava D. Aorta ? brachiocephalic trunk ? right subclavian artery ? right axillary artery ? right brachial artery ? right ulnar artery ? palmar arches ? venous palmar arches ? right basilic vein ? right cephalic vein ? right axillary vein ? right brachiocephalic vein ? superior vena cava
The vascular tunic of the eye (the uvea) has three distinct regions. From anterior to posterior what are they? a: Ciliary bodyb: Choroidc: Iris
A. a, b, c B. c, b, a C. c, a, b D. b, a, c E. b, c, a