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3 years ago

Demonstrate the the flow of oxygen (on inhalation) and carbon dioxide (on exhalation).

2 answers:

7 0

Similarly, carbon dioxide passes from the blood into the alveoli and is then exhaled. Oxygenated blood travels from the lungs through the pulmonary veins

Rudik [331]3 years ago

3 0

Answer:

carbon dioxide passes from the blood into the alveoli and is then exhaled. Oxygenated blood travels from the lungs through the pulmonary veins and the cycle goes on every time you breath or inhale you inhale oxygen into your blood cells.

Explanation:

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A water tank has the shape of an inverted cone (like an ice cream cone without ice cream). the tank is 10m high and has a radius

Nostrana [21]

we know that

the surface area of the top of the water is calculated with the formula of the area of a circle

$A=\pi r^{2}$

Step 1

Find the radius of the water tank in the middle of the tank

by proportion

$\frac{10}{3} =\frac{5}{x} \\ \\ 10*x=5*3\\ \\ x=\frac{15}{10} \\ \\ x=1.5m$

For h=5 m

the radius is equal to r=1.5 m

Step 2

Find the surface area

$A=\pi*1.5^{2}$

$A=7.07\ m^{2}$

therefore

the answer is

the surface area of the top of the water is $7.07\ m^{2}$

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Answer:

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Explanation:

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