8

Labor is typically divided into 3 stages: Stage 1: From the onset of contractions (true labor pains) to full dilatation of the cervix (which is about 10 cm) - this takes about 12 to 18 hours Stage 2: From full dilatation of cervix to expulsion of fetus - This takes about ~ 30 minutes Stage 3. From expulsion of fetus to expulsion of placenta - this takes ...


8

This is a great question! As I see you are new and you have explained within the comments above that you haven't studied biology much I will keep the explanation short and sweet. Young children have fatigue resistant muscles and they also recover faster from high intensity workouts when compared to adults. Children have also been found to use more aerobic ...


6

When the mother eat beans, the fiber (oligosaccharides) from them is not digested in the small intestine, so it travels to the large intestine, where normal intestinal bacteria break it down to some absorbable nutrients (like short-chain fatty acids) and gas that is largerly expelled (fao.org). Some gas can be absorbed into the blood and then removed by the ...


3

After childbirth, the umbilical cord is either tied (similar to a tourniquet - the cord itself is not tied into a knot) or clamped to cut off the blood supply. It is then cut distal to the clamp/tie, separating the child from the rest of the cord and the attached placenta. The remaining cells die and dessicate, and the stump eventually falls off, forming the ...


2

Growth is neither even nor constant, It can vary quite a bit from month to month as hormone levels change, the growth curves you are seeing are a rough average. You are having a hard time finding anything because it one of those pieces of knowledge that is so old people only rarely research it directly focusing more on deviations from it and you will ...


2

Parental care What you call "parenting" is called "parental care" and "parental care" is any investment of the parent to improve the fitness of their offspring. Parental care can take many forms from niche building for the offspring to parental feeding passing by placing plenty of ressources in the egg. Issue with the definition of parental care Given the ...


2

Here's a study comparing performance in swimming. Before age 8, there's no difference; from age 11-12, there's some small difference, after age 13, there's a large difference. https://www.eurekalert.org/pub_releases/2012-05/iu-wsg052512.php


2

@Colombo explains one reason that I think is obvious. However, there has been some research done on this. One other reason is because it would provide an evolutionary advantage in environments where calories are scarce. Also, sugar actually acts like a pain reliever. Studies show that giving sugar to babies and children during surgery act like a pain ...


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