Biological portfolio 1- Activity 2
2.
Answer the following questions from the text:
a)
What is the percentage of the content of water in
human body?
As babies we are approximately 75 to 80%
water and as we grow older this percentage decreases until the percentage is
reduced to approximately 60 to 65% for men and 50 to 60% for women.
b) Is the content of
water in human body the same on males and females? Why?
No, because women have a higher
percentage of adipose tissue than men, that’s why they have a lower percentage
of water.
c)
Does the content of water in human body remain through
life?
Yes,
as babies we are approximately 75 to 80% water and as we grow older this
percentage decreases until the percentage is reduced to approximately 60%.
d) Why does the text
refer to water as the universal solvent?
Because water is a perfect conductor of
electricity and this becomes important in the day to day operation of our
bodies.
e) Explain the
contribution of water to diet aids and fat reducers.
It reduces sodium build up and helps
maintain muscle tone. It helps the body eliminate waste and toxins and it also
reduces fat deposits in the body by helping the body metabolize the fat that is
stored in the body.
f)
According to the text, could water be considered as a
suitable treatment for some illnesses? What types of diseases could improve
increasing the consume of water?
Yes
it could. It could improve allergies, asthma, depression, high blood pressure,
diabetes. headaches, chronic fatigue syndrome, colitis, alcohol dependency, lower back
pain, neck pain, and more.
g)
Could we consider that coffee, tea, soda pop or drinks
with alcohol as part of our water intake? Why?
No,
because some of these products have caffeine or alcohol, and it reduces the
water of our bodies, so it has the opposite effect us.
h) What is the
quantity of glasses of water per day recommended by the writer?
Eight glasses of water per day.
i)
Explain
why the writer assumes that physical alterations associated with ageing could
be related to the content of water in human body.
He thinks that there is a common generalized reduction in the amount of
water in their intake, which reduces their body water percentage.
j)
Distilled or de-ionized water is named "Pure
water". Is it supposed to be better for drinking? Why?
Distilled or deionised water is named "pure
water", but it isn’t better for drinking because this kind of water doesn’t contain any oxygen.
k) Does the writer
agree with the use of chlorine as a disinfectant?
Yes
he does, but he thinks that if dosed too heavily can cause other problems in
our bodies.
l)
Explain the meaning of the sentence: "Cells are the basic structural unit of
any living thing".
Every living body is composed by many cells, who develope the body basic functions
m)
Discuss about the solvent properties of water.
Water is a very important mineral to us, because our
body only absorb materials which can be dissolved in water. It also serves as a
solvent for many substances so it’s also important for the transport of these products
all over our bodies.
0 Response to "Biological portfolio 1- Activity 2"
Publica un comentari a l'entrada