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spayn [35]
3 years ago
6

Blood is brought by the veins to the lungs to become oxygenated. Oxygenation occurs at the small structures of the lungs called

the alveoli. Blood enters the vesicles and capillaries that surround the alveoli and oxygen and carbon dioxide carried are exchanged between the capillaries and the alveoli. The oxygen is carried on red blood cells and returns to the heart to be pumped to the rest of the body to supply oxygen.
Read the description of diseases and connect the disease to the affect they might have on the individual. Not all affects will be used.
Disease
Pneumonia causes alveoli to become filled with fluid.
Sickle Cell Anemia causes red blood cells to be distorted which causes red blood cells to break down quickly.
Alveolar Capillary Dysplasia causes the capillaries around the alveoli to not be formed correctly.

Effect on Health
Oxygen and carbon dioxide are not exchanged in appropriate amounts.
Less oxygen is carried to the body. This can lead to tissues such as organs and muscles being deprived of oxygen.
Oxygen cannot reach the capillaries to be transferred to red blood cells.
The trachea is weakened.

Match the bottom ones to the top pls!
Chemistry
2 answers:
mash [69]3 years ago
7 0
I don’t know I just want points thanks
Licemer1 [7]3 years ago
5 0

Answer:

Where does the exchange of the blood in the veins and oxygen in the lungs take place?

ALVEOLI are the very small air sacs where the exchange of oxygen and carbon dioxide takes place. CAPILLARIES are blood vessels in the walls of the alveoli. Blood passes through the capillaries, entering through your PULMONARY ARTERY and leaving via your PULMONARY VEIN

Explanation:

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At an elevated temperature, Kp=4.2 x 10^-9 for the reaction 2HBr (g)---> +H2(g) + Br2 (g). If the initial partial pressures o
Damm [24]

Answer : The partial pressure of H_2 at equilibrium is, 1.0 × 10⁻⁶

Explanation :

The partial pressure of HBr = 1.0\times 10^{-2}atm

The partial pressure of H_2 = 2.0\times 10^{-4}atm

The partial pressure of Br_2 = 2.0\times 10^{-4}atm

K_p=4.2\times 10^{-9}

The balanced equilibrium reaction is,

                                2HBr(g)\rightleftharpoons H_2(g)+Br_2(g)

Initial pressure    1.0×10⁻²       2.0×10⁻⁴      2.0×10⁻⁴

At eqm.            (1.0×10⁻²-2p)   (2.0×10⁻⁴+p)  (2.0×10⁻⁴+p)

The expression of equilibrium constant K_p for the reaction will be:

K_p=\frac{(p_{H_2})(p_{Br_2})}{(p_{HBr})^2}

Now put all the values in this expression, we get :

4.2\times 10^{-9}=\frac{(2.0\times 10^{-4}+p)(2.0\times 10^{-4}+p)}{(1.0\times 10^{-2}-2p)^2}

p=-1.99\times 10^{-4}

The partial pressure of H_2 at equilibrium = (2.0×10⁻⁴+(-1.99×10⁻⁴) )= 1.0 × 10⁻⁶

Therefore, the partial pressure of H_2 at equilibrium is, 1.0 × 10⁻⁶

4 0
4 years ago
Chem help<br>calculate the wavelength of an electromagnetic wave with a frequency of (in pic)​
olchik [2.2K]

we have,

wavelenght=c/f

where c= 3×10^8 m/s

f=6.3×10^12 s^-1

so wavelength=(3×10^8)/(6.3×10^12)

=0.476×10^-4 m

4 0
3 years ago
Do metals gain or lose electrons as they form ions
Anna71 [15]

Answer:

They usually lose electrons to form ions with 2 positive charges

Explanation:

6 0
3 years ago
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How many grams of sodium hydroxide are needed to make 500mLs of a 0.125M NaOH solution?
zubka84 [21]
Hope this helps you.

8 0
3 years ago
If a wave has a wavelength of 13 meters and a period of 0.005, what's the velocity of the wave? A. 2,600 m/s B. 260 m/s C. 1,300
Rina8888 [55]

Answer:

V = 2600ms⁻¹

Explanation:

Given parameters:

Wavelength(λ) = 13meters

Period (T) = 0.005s

Period(T) is the time it takes for a full cycle of vibration to pass through. It's unit is in seconds (s)

The Velocity of waves is expressed as:

V = fλ

Where f = frequency(s⁻¹)

Frequency of a wave is the number of waves that passes through a point per unit time

f = 1/T

Where T is the period

We can therefore express Velocity of waves as a function of period

V = λ/T

Inputing the parameters, we have:

V = 13m / 0.005s

V = 2600ms⁻¹

7 0
3 years ago
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