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elmajn elmajn
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5 years ago
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.
Textbook 
Principles of Anatomy and Physiology

Principles of Anatomy and Physiology


Edition: 14th
Authors:
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JordieeyJordieey
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5 years ago
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elmajn Author
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5 years ago
Brilliant ツ
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Just got PERFECT on my quiz
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