At around seven weeks of prenatal development, the heartbeat can be detected on an ultrasound, indicating that the _____ is already functional.

Question

Quizplus · Accepted Answer

The medulla oblongata is responsible for regulating many vital bodily functions, including the heartbeat. The detection of a heartbeat on an ultrasound at seven weeks of prenatal development suggests that the medulla is already functioning. The somatosensory cortex, motor cortex, and prefrontal cortex do not contribute to the regulation of heartbeat in the same way as the medulla.

At Around Seven Weeks of Prenatal Development, the Heartbeat Can