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babunello [35]
3 years ago
7

Explain how the organ systems work together to warm up the body on a cold day.

Chemistry
2 answers:
NemiM [27]3 years ago
4 0
Sample Response:<span> The brain, through the nervous system, sends signals to the muscular system, causing the muscles to move rapidly. This rapid motion produces heat in the body and is observed as shivering. The brain also sends signals to the muscles right beneath the skin. These muscles shorten and tighten, causing the hairs on the skin to stand up. When the hairs stand up, heat is kept in the air trapped within the hairs, which keeps the body warm.</span>
makkiz [27]3 years ago
4 0

Answer:

The nervous system and the muscular system work together.

Muscles move rapidly to produce heat within the body.

Muscles underneath the skin contract, causing hair on the skin to stand up.

When hairs on skin stand up, they trap the heat coming out of the body so the heat is kept near the body.

Explanation:

e d g e n u i t y 2020

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Find the linear function Cequals​f(F) that gives the reading on the Celsius temperature scale corresponding to a reading on the
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Answer:

C = (5/9) F - (160/9)

They both read equal at Z = - 40

Explanation:

We are looking for a linear function so we can write the following condition

Y = aX + b

Applying it to the exercise we got C = a F + b

Let's use the facts that C = 0 when F = 32 and C = 100 when F = 212

0 = 32 a + b            (1)

100 = 212 a + b       (2)

From (1) b = - 32 a , when we replace this in (2) we obtain a = (5/9)

and b = - (5/9)32 = - 160/9

Finally the linear function is C = (5/9) F - (160/9)

Both readings are equal at a Z number so

Z = (5/9) Z - 160/9

(4/9) Z = -160/9 and Z = - 40

6 0
3 years ago
Write the complete balanced equation for the reaction between aluminum metal (Al) and oxygen gas (O2). You do not need to make t
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Explain how a light can be seen when sent through a colloid mixture, but not a solution.
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I think the answer is that is lights up?
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A sample of flammable liquid is placed into an enclosed cylinder which is then fitted with a movable piston. Initially the cylin
polet [3.4K]

Answer:

12.09 L

Explanation:

Step 1: Convert 826.1 mmHg to atm

We will use the conversion factor 760 mmHg = 1 atm.

826.1 mmHg × 1 atm/760 mmHg = 1.087 atm

Step 2: Convert 427.8 J to L.atm

We will use the conversion factor 101.3 J = 1 L.atm.

427.8 J × 1 L.atm/101.3 J = 4.223 L.atm

Step 3: Calculate the change in the volume

Assuming the work done (w) is 4.223 L.atm against a pressure (P) of 1.087 atm, the change in the volume is:

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ΔV = w/P

ΔV = 4.223 L.atm/1.087 atm = 3.885 L

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5 0
2 years ago
1. How do metals and non-metals react with acids? Write and explain the chemical equation for the reaction of magnesium with sul
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Answer:

1. How do metals and non-metals react with acids?

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6 0
2 years ago
Read 2 more answers
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