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The first organ to develop in the embryo is the heart. In a fetus, there is a brain, but it isn't fully developed and can't understand signals from the nervous system. Therefore the first functional organ would be the heart. But the first thing to start developing in a fetus is the nervous system. ( no that isn't an organ )
The heart is the first organ to develop in a fetus. Together, blood and the circulatory system, that is powered by the heart, form the first organ system.
The Heart.
The heart is not an independent organism, but a muscle.
Both at the same time but the brain works before the heart pumps
It is organ, not an organism.
It is organ, not an organism.
The first organ to develop in the embryo is the heart. In a fetus, there is a brain, but it isn't fully developed and can't understand signals from the nervous system. Therefore the first functional organ would be the heart. But the first thing to start developing in a fetus is the nervous system. ( no that isn't an organ )
Both the same time but the brain functions before the heart pumps
what will happen to organisms if they do not grow and develop
DNA
DNA