Development of Fetal Heart in Human Embryology

Maintaining the heartbeat rhythm

Regulating blood flow

Contributing to the formation of coronary vessels (correct)

Forming the atrioventricular valves

Formation of atrioventricular and semilunar valves (correct)

Appearance of dilatations on the heart tube

Development of the arterial end

Fusion to form a single heart tube

Environmental factors are more prevalent in causing cardiac defects compared to genetic factors

Genetic defects are more common than environmental factors in cardiac development

Both genetic and environmental causes have equal impact throughout cardiac development

Genetic causes play a role in early development, while environmental causes affect later stages (correct)

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