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Multiple Choice
In humans, the part of the brain that increases in size and complexity most significantly during the second and third month of embryonic development is derived from the embryonic __________.
A
forebrain and midbrain
B
midbrain
C
midbrain and hindbrain
D
hindbrain
E
forebrain
Verified step by step guidance
1
Understand the basic structure of the embryonic brain: The human embryonic brain is initially divided into three primary regions: the forebrain, midbrain, and hindbrain.
Recognize the developmental significance of each region: The forebrain is responsible for higher cognitive functions and sensory processing, the midbrain is involved in vision and hearing, and the hindbrain controls basic life functions such as breathing and heart rate.
Identify the period of rapid development: During the second and third month of embryonic development, significant growth and complexity occur in the brain, particularly in the forebrain.
Connect the forebrain's development to its functions: As the forebrain increases in size and complexity, it begins to form structures such as the cerebral cortex, which are crucial for advanced cognitive abilities.
Conclude with the correct answer: Based on the developmental timeline and the functions associated with each brain region, the part of the brain that increases most significantly during this period is derived from the embryonic forebrain.