In the flat skull bones, the middle spongy layer of bone sandwiched between two layers of compact bone is called the ________.
Fill in the blank(s) with the appropriate word(s).
diploe
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Match each of the terms with its definition or explanation.
a. skeletal muscle b. smooth muscle c. origin d. insertion e. actin f. myosin g. motor unit h. neuromuscular junction i. isotonic j. isometric 1. _____ Protein that makes the thin myofilament 2. _____ Another name for voluntary muscle 3. _____ Type of muscle contraction in which the muscle shortens and the joint moves 4. _____ Point of contact between the nerve ending and the muscle fiber 5. _____ Attachment point to the bone that moves during muscle contraction 6. _____ Another name for visceral muscle 7. _____ Protein that makes up the thick myofilament 8. _____ Attachment point to the bone that is stationary during contraction 9. _____ Muscle contraction in which the muscle tenses but does not shorten 10. _____ Single motor neuron with all the muscle cells it innervates
Choose the one trait that does not characterize the structure of a nephron.
A) There are two coiled portions of the renal tubule. B) The glomerular capsule contains podocytes and slit pores. C) Blood that will be filtered flows into the glomerular capsule. D) Several nephron tubules merge to form a collecting duct.
Primary energy reserves include stored glycogen and triglycerides.
Answer the following statement true (T) or false (F)
During blood vessel development, the ________ veins form the hemiazygos and azygos system of veins.
A. umbilical B. supracardinal C. subcardinal D. vitelline E. anterior cardinal