Respuesta :

The fetus has a heartbeat and brain activity by the end of the seventh week and the initiation of the eighth week of pregnancy.

What do you mean by Fetus?

A Fetus may be defined as an unborn baby which grows inside the uterus of the female. It mostly develops 5-6 weeks after the successful conception.

The brain cells are started to form after five-week of conception. The electrical impulse will start working after the eighth week of pregnancy, the first synapse at the seventh week, and organ development after the tenth week of pregnancy.

Therefore, the fetus has a heartbeat and brain activity by the end of the seventh week and the initiation of the eighth week of pregnancy.

To learn more about Fetus, refer to the link:

https://brainly.com/question/26087722

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