The stage of prenatal development during which the developing organism is most vulnerable to injury is the:
The stage of prenatal development during which the developing organism is most vulnerable to injury is the:
قبل از پیدائش کی نشوونما کا وہ مرحلہ جس کے دوران ترقی پذیر جاندار چوٹ کا سب سے زیادہ خطرہ ہوتا ہے
Explanation
The embryonic stage lasts from about the third week of pregnancy until the eighth week of pregnancy.
The blastocyst begins to take on distinct human characteristics.
It's now called an embryo.
Structures and organs like the neural tube (which later becomes the brain and spinal cord), head, eyes, mouth and limbs form.