Human Reproduction: common misconceptions

If your child says… “The testes make all the semen.”

Ask together

Why do gland branches join the sperm route?

What’s true

Accessory glands supply most seminal fluid.

If your child says… “The inner lining pushes the baby out.”

Ask together

Which layer is muscle?

What’s true

The muscle layer supplies the powerful contractions.

If your child says… “One starting cell makes only two sperm.”

Ask together

What happens when both first-division cells divide again?

What’s true

Meiosis includes another division after the first.

If your child says… “Rising hormones start a period.”

Ask together

What happens when the lining loses its hormonal support?

What’s true

Menstruation follows a fall in ovarian hormones.

If your child says… “The outer layer becomes the whole baby.”

Ask together

Which cluster lies inside the attaching outer layer?

What’s true

The embryo develops from the inner cell mass.

If your child says… “All the organs are ready at implantation.”

Ask together

What changes between the early and later developmental outlines?

What’s true

Organ formation continues after implantation.

If your child says… “Each contraction makes the next one weaker.”

Ask together

Does more stretch trigger less oxytocin or more?

What’s true

Positive feedback strengthens the response.

If your child says… “Oxytocin makes the milk.”

Ask together

Which labelled cells can squeeze the sac?

What’s true

Oxytocin acts on the surrounding muscle cells to squeeze milk out.