The umbilical cord will stop pulsating approximately 3-5 minutes after birth.
<u>Explanation:</u>
Homeostasis refers to the internal body system that helps to regulate our internal body environment, such as our temperature, blood pressure, etc.
By means of<em> internal sensors</em> which monitor when there is a change in our normal body condition, these reaction times occur for example:
- when we are triggered by our body to go and dehydrate (urinate) in the restroom,
- or maybe when we begin to sweat heavily after performing physical activity, those tiny droplets of sweat helps cool our body down.
All these automatic responses help us maintain homeostasis in our body.
<span>3.
Why is cardiovascular endurance an important component of physical fitness?
B.Improved cardiovascular endurance increase energy and reduces stress.
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<span>4.
Out of the choices below, which cardiovascular endurance exercises expends the most calories in 60 min of exercise?
Running</span><span>
</span>
The correct answers would be, Environmental, Epigenetic, Switches.
Explanation:
Individuals who acquire a health condition with no prior family history of that condition may have had exposure to an Environmental factor that caused an Epigenetic Mutation. These Mutations alter the chemical switches that turn the genes on or off.
The physical structure of the DNA is changed or altered by the Epigenetic Mutation. For example the DNA methylation, which is an addition to the methyl group, and prevents specific genes from being expressed.
Learn more about Epigenetic Mutation at:
brainly.com/question/13035912
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Probably once and you’ll be sore for a little while
