What is the role of surfactant in the newborn’s lungs?

Which hormone is released during childbirth to enhance uterine contractions?

What is the primary action of antidiuretic hormone (ADH)?

What triggers the initiation of labor?

Which structure eventually surrounds the entire embryo and contributes to the placenta?

What is formed when the sperm and ovum nuclei unite?

What is the primary significance of gastrulation?

What prenatal test is used to detect genetic abnormalities?

What is the primary role of the yolk sac in early development?

What structure facilitates the attachment of the blastocyst to the uterine wall?