Question
Which of these statements is NOT true about the heart?
Answer: Option D
:
D
The 3 germ layers - the ectoderm, the mesoderm, and the endoderm (endoderm) are in place at the end of gastrulation.
The Ectoderm gives rise to the central nervous system (the brain and spinal cord) etc.
The Mesoderm gives rise to connective tissue, cartilage, and bone; striated and smooth muscles and the heart walls etc.
The Endoderm gives rise to the tonsils, the thyroid gland, parathyroid glands, and thymus gland; the larynx, trachea, and lungs; the gastrointestinal tract, the urinary bladder etc.
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:
D
The 3 germ layers - the ectoderm, the mesoderm, and the endoderm (endoderm) are in place at the end of gastrulation.
The Ectoderm gives rise to the central nervous system (the brain and spinal cord) etc.
The Mesoderm gives rise to connective tissue, cartilage, and bone; striated and smooth muscles and the heart walls etc.
The Endoderm gives rise to the tonsils, the thyroid gland, parathyroid glands, and thymus gland; the larynx, trachea, and lungs; the gastrointestinal tract, the urinary bladder etc.
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