The correct answer would be option D, Heredity.
Heredity is the factor which is not critical in developing good physical fitness.
Explanation:
When a person inherit something, either physiological/biological or psychological from his parents or any side of parents, this is called as heredity.
Physical fitness is a process of making yourself physically fit. There are many factors that contribute in the development of good physical fitness like age, focus, behavior, environment, diet, workouts, etc, but heredity is not something which is crucial in developing good physical fitness.
No doubt heredity plays a vital role, as people may have physical structures or tendencies inherited by their parents, but this is not something which is crucial in the physical fitness development. A person can change his physical anatomy by working hard and putting a cap on his diet. This is something which is in the control of a person. Other factors that are actually crucial in this are not in a person's control like age, environment, etc.
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The series of hormonal events that leads to birth:
- Fetal cortisol stimulates the placenta to secrete estrogen.
- The high estrogen level stimulates the uterus to form oxytocin receptors.
- Prostaglandins dilate the cervix, and with oxytocin, increase the strength of uterine contractions.
- Oxytocin stimulates the placenta to secrete prostaglandins.
<h3>What hormones are involved during parturition?</h3>
The female hormones contains in parturition include:
- Estrogen: This plays a main role in uterine contractions.
- Oxytocin: It helps in the uterine contractions during parturition.
- Relaxin
Thus, the series of hormonal events that leads to birth is 2,4,3,1.
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Human resources professional and agricultural scientist are required to specialize in training in agriculture.
Answer:
There are three main types of rocks: sedimentary, igneous, and metamorphic. Each of these rocks are formed by physical changes—such as melting, cooling, eroding, compacting, or deforming—that are part of the rock cycle.
Explanation: