Explain how smoking and drinking alcohol by males can affect the development of an embryo ? answer

Smoking and drinking can cause major birth defects. It can also cause the baby to be very sick when it is born, and have a near death experience.

depending on the amount of intake, the baby could also be born addicted to either one. It is very dangerous to drink or smoke during the development of a child.

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a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.