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NISA [10]
3 years ago
14

Selena made a chart to group adaptations in birds based on their main functions. Which functions should Selena use as headings t

o complete the chart?
X: Flight Y: Feeding and Digestion
X: Maintaining Body Temperature Y: Circulating Oxygen
X: Flight Y: Circulating Oxygen
X: Maintaining Body Temperature Y: Feeding and Digestion
Biology
1 answer:
olya-2409 [2.1K]3 years ago
6 0

Answer:

c

Explanation:

the answer is c

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The correct answer is "a steroid hormone that reduces the amount of fluid excreted in the urine".
Aldosterone is a steroid hormone produced in the adrenal gland, whose main function is the homeostatic regulation of the blood pressure, plasma sodium, and plasma potassium levels.
Aldosterone's main mechanism of action is to regulate the reabsorption of sodium and excretion of potassium in the kidney, which in turn influences the retention of water and the volume and pressure of the blood. Based on all this, aldosterone reduces the amount of fluid excreted in the urine.  
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how factors such as blood pressure blood volume blood viscosity resistance disease and exercice affect blood flow
schepotkina [342]

Blood is essential for many organisms, such as humans and animals, for its important function of transporting substances (food, oxygen), vitamins, waste (carbon dioxide), hormones, etc. to all tissues and cells of the body.

1) Blood volume

If the blood volume increases ==> the blood flow increases.

2) Viscosity of blood

If we have an increase in blood viscosity ==> we have a decrease in blood flow

3) Peripheral Resistance

If there is an increase in peripheral resistance ==> the blood flow decreases

4) Diameter of blood vessels

If we have an increase in diameter of

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5) Blood pressure

If the blood pressure increases ==> the blood flow increases.

6) In case of diseases

In the case of atherosclerosis or acute coronary syndrome ==> blood flow decreases.

7) Physical excercises:

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HeLP! HeLp ajanjbhdwfbhfrehgbfehrjbger
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A scientist claims that he has protected animal test subjects from a newly mutated virus using an experimental vaccine. The expe
Oliga [24]

Answer:

A. They were part of the control group

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In a scientific experiment, the CONTROL GROUP as opposed to the experimental group is the group that does not receive the experimental treatment. This acts as a standard for comparison.

In this question, the EXPERIMENTAL VACCINE is the experimental treatment or independent variable that was added. The five animal test subjects that was injected with this vaccine are called the EXPERIMENTAL GROUP while the other five test subjects that were rather injected with a PLACEBO are called CONTROL GROUPS.

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3 years ago
If the inner lining of the air sacs is neither thin nor highly vascularized, then what can be inferred about the ai
MArishka [77]
If the inner lining of the air sacs neither thin nor highly vascularized, then it can be inferred that AIR SACS ARE CANNOT BE THE SITES OF GASEOUS EXCHANGE BETWEEN AIR AND BLOOD. Air sacs are generally lined with mucus and surrounded with blood capillaries.
In case of birds, air sacs play an important role in respiratory system.
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