Unformatted text preview: C. The endoderm D. The epiderm 6. The muscle arises from which primary germ layer? A. The ectoderm B . The mesoderm C. The endoderm D. The epiderm 7. Spina bifida literally means: A. Split spine B. Single spine C. Creased spine D. Broken spine 8. What is the scientific name for the belly button? A. Umbilicus B. Scar tissue C. Foramen D. Arteriole 9. Which is NOT a phase of birth? A. Dilation stage B. Expulsion stage C. Placental stage D. Delivery stage 10. The yellowish, watery substance full of antibodies and proteins produced by the mammary glands is called: A. Milk B. Colostrum C. Prolactin D. Estrogen...
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- Embryology, Germ layer, Embryo, yolk sac