Using Figure 22.2, match the following:
1) Absorptive cells that line the intestinal tract.
2) Cell type specialized to secrete mucus into the lumen of the intestinal tract.
3) Structures that increase the absorptive area of the small intestine.
4) Wide lymph capillary located in the villus.
5) Paneth cells are found here.
1) B
2) D
3) A
4) C
5) E
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The tube that carries urine out of the kidney is called the ________
A) Ureter B) Collecting tube C) Urethra D) Bladder
Which of the following is comprised of anterior rami from C5-T1?
A. Cervical plexus B. Brachial plexus C. Coccygeal plexus D. Sacral plexus E. Lumbar plexus
Melanin is produced only by
A. keratinocytes. B. Langerhans cells. C. melanocytes. D. basal cells. E. Merkel's cells.
Germ layers form during the ____ period while organ systems mature during the ____ period
A. embryonic; fetal B. prenatal; neonatal C. germinal; embryonic D. germinal; fetal E. fetal; germinal