Which of the following structures is formed from ectodermal tissue:
Correct answer: A. Brain
- A. Brain
- B. Muscles
- C. Skeleton
- D. Bones
Explanation
The brain is formed from ectodermal tissue. During embryonic development, the ectoderm is one of the primary germ layers that gives rise to various structures including the nervous system, skin, hair, and nails. The brain and nervous system originate from specialized ectodermal tissue. Therefore, option a is correct.
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