BIOLOGY TOPIC 11 ANIMAL PHYSIOLOGY (HL): what is the positive feedback loop of the birth process? (5)

Question

what is the positive feedback loop of the birth process? (5)

Sammy Universe · Accepted Answer

baby stretches cervix by pushing
nerve impulses causes posterior pituitary to release oxytocin
oxytocin causes smooth muscle lining to contract
less space causes more stretching 
loop repeats

BIOLOGY TOPIC 11 ANIMAL PHYSIOLOGY (HL)

What is the positive feedback loop of the birth process? (5)

Baby stretches cervix by pushing nerve impulses causes posterior pituitary to release oxytocin oxytocin causes smooth muscle lining to contract less space causes more stretching loop repeats

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