Multiple Choice
Which of the following best explains the cephalocaudal principle in human development?
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28. Human Development
Introduction to Human Development
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Which major body part is derived from the endoderm during human development?
A
Kidneys
B
Heart
C
Brain
D
Liver
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Understand the three primary germ layers in human development: ectoderm, mesoderm, and endoderm. Each layer gives rise to specific tissues and organs.
The endoderm is the innermost layer and primarily forms the lining of the digestive and respiratory systems.
Identify the organs derived from the endoderm. These include the liver, pancreas, lungs, and the lining of the gastrointestinal tract.
Consider the options provided: Kidneys, Heart, Brain, and Liver. Recall that the kidneys and heart are derived from the mesoderm, while the brain is derived from the ectoderm.
Conclude that the liver is the correct answer, as it is derived from the endoderm, aligning with the developmental origins of the endodermal layer.
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