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Title: Blood cells and plasma begin to develop Post by: elmajn on Jan 20, 2019 Blood cells and plasma begin to develop
1. at 3 weeks post-fertilization outside the embryo from hemangioblasts. 2. at 5 weeks post-fertilization inside the embryo in the liver. 3. at 12 weeks post-fertilization in the spleen, red bone marrow, and thymus. a) 1 only b) 2 only c) 3 only d) 1 and 2 are correct. e) 1, 2, and 3 are correct. Title: Blood cells and plasma begin to develop Post by: Jordieey on Jan 20, 2019 Content hidden
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