Question

during labor, the pressure of the babys head on the cervix leads to stronger and more frequent contractions which push the babys head further onto the cervix. this sends a message back to the brain to cause even stronger and more frequent contractions. this is an example of blank feedback.

Explanation:

In positive feedback, the response reinforces the original stimulus. Here, the pressure (stimulus) causes contractions (response) which further increase the pressure (strengthening the original stimulus). This cycle continues until the baby is born.

Answer:

positive