The heart in a human embryo begins to beat about ____ after fertilization.
A) 5 days
B) 3 weeks
C) 7 weeks
D) 9 weeks
E) 12 weeks

Name: The heart in a human embryo begins to beat about ____ after fertilization. A) 5 days B) 3 weeks C) 7 weeks D) 9 weeks E) 12 weeks
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Question

The heart in a human embryo begins to beat about ____ after fertilization.​
A) ​5 days
B) ​3 weeks
C) ​7 weeks
D) ​9 weeks
E) ​12 weeks

Quizplus · Accepted Answer

The heart in a human embryo begins to beat about 3 weeks after fertilization, marking an early but critical milestone in cardiovascular development.

The Heart in a Human Embryo Begins to Beat About