Which organ develops and is fully functional in the first trimester 1 heart 2 brain 3liver 4lungs

asked May 20, 2019 197k views

2 votes

Which organ develops and is fully functional in the first trimester

1 heart
2 brain
3liver
4lungs

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6 votes

The neural tube (which becomes the brain and spinal cord), the digestive system, and the heart and circulatory system begin to form.

Pkumarn answered May 23, 2019

6.3k points

3 votes

I believe it’s the heart

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