Bones are covered and lined by a protective tissue called periosteum. The inner (osteogenic) layer consists primarily of ________
A) osteogenic cells
B) chondrocytes and osteocytes
C) dense irregular connective tissue
D) cartilage and compact bone
A
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Which spinal cord tract transmits impulses concerned with temperature and pain? Describe the pathway and include the location and destination of the first, second, and third-order neurons
What will be an ideal response
The trophoblast of the blastocyst is destined to become
a. the fetus. b. the fetal portion of the placenta. c. the inner cell mass. d. the amniotic sac. e. the corpus luteum of pregnancy.
Match the cell type with its function.A. Produce hormonesB. Produce mucusC. May protect intestinal epitheliumD. Synthesize bileE. Produce digestive enzymesGranular cells
Fill in the blank(s) with the appropriate word(s).
Which of the following are paired incorrectly?
a. voltage-gated Ca+ channels and slow-wave action potentials in smooth muscle b. intestinal smooth muscle and a syncytium c. spiral valve and teleost fish d. salivary glands and metazoans e. peristalsis and rumen