The correct answer is immune system.
<h3>What happens to a person's body during times of stress?</h3>
Muscles stiffen up as a result of stress on the body. The body's response to stress is to tighten its muscles, which serves as a form of protection against pain and harm.
When there is a rapid increase in stress, the muscles stiffen up all at once and then relax once the stress has subsided. The body's muscles are more or less always on alert as a result of chronic stress. Long-term muscle tension has the potential to cause various bodily reactions and perhaps to worsen stress-related diseases.
For instance, persistent muscle tension in the shoulders, neck, and head regions is linked to both tension-type headaches and migraine headaches.
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Being jealous in a competitive way. thats just my definition of it so it may not be really accurate <span />
To prepare 1 ltr of 14% NaCl solution, 700 ml of 20 % Nacl solution will be mixed with 300 ml of water.
<h3>What is percentage composition ?</h3>
The percent composition of a compound is the mass percent of each element in the compound.
To prepare ;
14 % NaCl Solution, Which means 140 gm of NaCl in 1000 ml solution.
Given Slolution ;
20% NaCl solution, Which means 200 gm of NaCl in 1000 ml Solution.
We need 140gm of NaCl from above solution
If 1000 ml consist of 200 gm NaCl
then, X ml will contain 140 gm of Nacl ;
140 / x = 200 / 1000
Therefore,
x = 1000 x 140 / 200
= 700 ml of Nacl solution of 20%.
Hence, 700 ml of 20% solution are needed to mix 300 ml of water to make 1L of a 14% NaCl solution.
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In medical term, overweight means that when a person has excess body fat that can lead to a various health problem. The definition for US would be having body mass index(BMI) 25- 30kg/m2 where BMI < 24.99 kg/m2 considered normal.
Obesity has a higher BMI than overweight(>30kg/m2) and has much more impact on the health condition.
