which organ develops and is fully functional in the first trimester?\no heart\no brain\no liver\no lungs
which organ develops and is fully functional in the first trimester?\no heart\no brain\no liver\no lungs
Answer
Brief Explanations:
During the first trimester of pregnancy, the heart is one of the first organs to develop and start functioning. By around 6 - 8 weeks, the embryonic heart begins to beat and pump blood. The brain, liver, and lungs take longer to develop and reach full - functionality.
Answer:
heart