According to model 3. During the child birth the stimulus is baby pushes against the cervix and the response would be hypothalamus oxytocin to male uterine walls contract.
Explanation:
The first contractions of the stimulus (labor) pushes the baby towards the cervix that is the lowest part of the uterus. Normal childbirth is done by positive loop. A positive feedback loop is the change in body status than a return to homeostasis.
One of the best example for positive feedback system is child birth. During labor, a hormone called oxytocin is released which intensifies and speeds up contractions.
Child birth will eventually stop the stimulus and stop the child birth feed back loop.
A gene map of the human genome
Examples of lipids include fat boils wags his hormones and steroids. Lipid or non-polar molecules so they are not soluble in polar like water.
A physical factor that influences an ecosystem is called an "abiotic factor."
Answer: The average speed of the zebra during time between 0s and 40s is 34 seconds.