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fenix001 [56]
1 year ago
15

The human body is composed of approximately 60% of water. a. true b. fale

Biology
1 answer:
Step2247 [10]1 year ago
5 0

Yes, the human body is composed of approximately 60% of water. The given statement is true.

Water is essential for human health and for the survival of life on earth.

It keeps them alive, stale and healthy by providing oxygen and chief nutrients to the body.

It lubricates joints, knees and also removes waste materials from the kidney, and keeps them clean.

In adult humans, there is approximately 60% of water in their bodies.

The concentration of water is more in lean tissues than in fat tissues.

Women's bodies have more fats than men and water makes up only 55% of their bodies.

If you need to learn more about the water cycle click here:

brainly.com/question/2164391

#SPJ4

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The evolutionary history of a group of organisms is referred to as
cluponka [151]

it is called phylogeny

4 0
3 years ago
suppose that glucose concentration in a red blood cell is 0.5mm and the concentration outside of the cell is 5 mm calculate the
Virty [35]

Answer:

Change in free energy (ΔG) = 1.43 kcal/mol

Explanation:

Free energy is the energy released by a diffusing molecule moving up or down a concentration gradient, across a membrane.

The formula for free energy change import into a membrane is given by the formula :

\triangle G = \triangle G^0 + R \times T \times In\frac{[X]_{inside}}{[X]_{outsdie}}

where:

\triangle G = change\ in\ free\ energy\\\triangle G^0 = initial\ charge\ on molecule = 0 (Glucose\ molecule\ is\ uncharged)\\R = gas\ constant\ = 2 (cal/mol.K)\\T =Absolute\ temperature= \ ^oK = ^oC + 273 = 37 + 273 = 310\ ^oK (Note: body\ temperature\ = 37^oC)\\In = Natural\ logarithm\\

[X]_{inside} = concentration\ of\ glucose\ inside\ the\ cell = 0.5mM\\ {[X]}_{outside} = concentration\ of\ glucose\ outside\ the\ cell = 5mM

\triangle G = 0 + (2) \times (310) \times In\frac{[0.5]}{[5]} \\\triangle G = 620 \times In (0.1)\\\triangle G = 620 \times (-2.3)\\\triangle G = -1426\ cal/mol\\\triangle G = 1.43\ kcal/mol

5 0
4 years ago
Which of the following are functions of the skin? (2 points) I. It protects the body II. It help the body keep its balance III.
kirill [66]

According to the research, the functions of the skin are to protect the body, helps the body cool down and it collects information from the surroundings.

<h3>What is the skin?</h3>

It is the border of the organism with the external environment that is made up of three main layers: epidermis, dermis and  subcutaneous tissue.

Its function is the isolation and protection of the body against external aggressions, changes in temperature, adaptation and the connection of the individual with the surroundings.

Therefore, we can conclude that according to the research, the functions of the skin are to protect the body, helps the body cool down and it collects information from the surroundings.

Learn more about functions of the skin here: brainly.com/question/1387942

#SPJ1

6 0
2 years ago
Explain why people with poorly controlled diabetes are at risk for amputation?
Veseljchak [2.6K]
Poorly controlled diabetes eventually leads to damage of the body organs, amputations generally start at the toes or feet , therefore if an infection spreads, it can become so severe that the tissues become dead, due to gangrene  and the only option for the doctor is to amputate the feet or toes to save gangrene from spreading.<span />
8 0
3 years ago
Why do you think plants and animals can't use nitrogen as it is found in the atmosphere?
lakkis [162]
First .... nitrogen is no use of animal as when it reaches the blood ...it will cause nausea and headache.

now for plants ....there is no specialized organ that can take nitrogen ....and stomatal pores is only used for o2 and CO2 ....so it has to take it by soil in form of nitrates !!!
7 0
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