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statuscvo [17]
3 years ago
14

What is the function of the respiratory system?​

Biology
2 answers:
Zielflug [23.3K]3 years ago
7 0

Explanation:

it helps the human to function properly

Vlad1618 [11]3 years ago
3 0
For gas exchange (entering of oxygen into the body and exiting of co2 out of the body
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How many species do scientist think are on earth
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Answer: a lot or. There is over 5 sapiebs

Explanation: They are still looking for then

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3 years ago
PLEASE HELP! (c) Complete the table to represent the relationship between volume and surface area of a spherical structure surro
Anuta_ua [19.1K]

Answer/Explanation:

Recall:

Volume of a sphere = ⁴/3πr³

Surface Area = 4πr²

✔️For radius (r) = 1 mm:

Volume = ⁴/3 × π × 1³ = 4.19 mm³

Surface Area = 4 × π × 1² = 12.57 mm²

Ratio of volume to surface area = 4.19 : 12.57 = 1:3

✔️For radius (r) = 3 mm:

Volume = ⁴/3 × π × 3³ = 113.1 mm³

Surface Area = 4 × π × 3² = 113.1 mm²

Ratio of volume to surface area = 113.1 : 113.1 = 1:1

4 0
3 years ago
The laboratory analysis of a blood or urine sample to determine how much of a certain nutrient is present in the sample is an ex
sertanlavr [38]

Osmolality tests is performed to determine the level of a certain nutrient present in the blood and urine.

What is osmolality test?

Osmolality tests measure the level of certain substances in blood, urine, or stool.

The level of glucose(sugar), urea( waste product made in the liver), sodium, potassium, and chloride are measured in osmolality test.

Osmolality test is also performed to check the balance between water and certain chemicals in blood.

Osmolality test also done to diagnose dehydration .

Therefore,osmolality test is done to determine the level of a certain nutrient in blood or urine sample.

Learn more about osmolality test here:

brainly.com/question/1248783

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3 0
9 months ago
Why are the<br> differences so large near the poles?
RoseWind [281]

Answer:

Sunlight hits a smaller surface area at the Equator so heats up quickly compared to the poles. Explanation:

4 0
2 years ago
Both euglena and Cyanobacteria are photosynthetic unicellular organisms found in pond water. The feature that distinguishes eugl
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The correct answer is option C, that is, the presence of the nuclear membrane.  

Cyanobacteria is a phylum of bacteria that attain their energy via the process of photosynthesis, and are the only photosynthetic prokaryotes possessing the tendency to generate oxygen. As a prokaryote, they are devoid of the nuclear membrane.  

Euglena refers to a single cell flagellate eukaryote. It comes under the class Euglenoidea. The species of Euglena are witnessed in salt water and in freshwater. Being a eukaryote, they possess nuclear membrane.  


6 0
3 years ago
Read 2 more answers
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