Matching II. Choose the one most appropriate
response for each. Letters may be used more than
once.
1. ___ muscle cells
2. ___ lining of the intestine
3. ___ nervous system
4. ___ external body covering
5. ___ skeletal system
6. ___ circulatory system
7. ___ stomach, liver, and pancreas
(excluding the muscles and nerves)
A. develop(s) from ectoderm in embryo
B. develop(s) from endoderm in embryo
C. develop(s) from mesoderm in embryo
Answers: 1. C, 2. B, 3. A, 4. A, 5. C, 6. C, 7. B
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