NEET BIOLOGY

Detailed explanation-1: -Your developing fetus has already gone through a few name changes in the first few weeks of pregnancy. Generally, it’s called an embryo from conception until the eighth week of development. After the eighth week, it’s called a fetus until it’s born.

Detailed explanation-2: -When a fertilized egg has implanted in the uterus, the group of cells that will become a baby is called an embryo. A developing, fertilized egg is known by several names within the first 2 weeks after conception, including zygote, morula (day 4), and blastocyst (day 5).

Detailed explanation-3: -embryo, the early developmental stage of an animal while it is in the egg or within the uterus of the mother. In humans the term is applied to the unborn child until the end of the seventh week following conception; from the eighth week the unborn child is called a fetus.

Detailed explanation-4: -The embryo looks like a tadpole. The neural tube (which becomes the brain and spinal cord), the digestive system, and the heart and circulatory system begin to form. The beginnings of the eyes and ears are developing. Tiny limb buds appear, which will develop into arms and legs.

Detailed explanation-5: -The embryo becomes a fetus when you’re 3 months pregnant. The umbilical cord connects the fetus to your placenta and uterine wall.