Question: Which of the following organ is differentiated first during development?
A Heart
B Brain
C Skin
D None of these
Answer: Heart
| Name of developmental stage | Description |
| Embryogenesis | The process of the formation of a multicellular organism from a single-celled zygote through a series of cell divisions and differentiation. |
| Embryonic Stage | · Heart · Brain · Spinal Cord · Limb Buds · Kidneys |
| Fetal Stage
| · Lungs · Liver · Spleen · Pancreas · Eyes · Ears · Intestines · Bones and Muscles · Skin and Hair · Reproductive Organs |