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Oduvanchick [21]
3 years ago
11

13

Biology
2 answers:
andrey2020 [161]3 years ago
7 0
A infectious agent can enter the body without damaging the skin by entering through your ears, nose, eyes and mouth.
Anni [7]3 years ago
3 0
I don’t know hahha eland
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Muscles help keep blood flowing normally through the body. How do muscles accomplish this task?
bezimeni [28]

Answer:

Option A, by having a constant supply of blood

Explanation:

Blood that flows to the muscles bring oxygen from the atmosphere to the contracting muscles where it gets consumed.  During large muscle exercise, two physiological needs arise – a) high and prolonged muscle blood flow and b) regulation of blood pressure so that there is adequate perfusion of pressure to all organs. In order to meet both the requirements, the blood flow increases so that the vasoligating muscles do not outstrip the cardiac output.

Hence, option A is correct

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What is the diffrence between a simple and complex carbohydrate?
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Simple carbohydrate contain 1 or 2 sugar chain that have the most basic structure our body need. For eg glucose. Complex contain 3 or more sugar groups. These are refer to as starchy. These stay I our body longer. For rg brown sugar
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3 years ago
This diagram illustrates the three types of plant tissue. Which is the function of the plant tissue shown in purple?
Sav [38]
Hey could you send the picture of what it is, I might could help.
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3 years ago
Read 2 more answers
PLEASE HELP ME AND EXPLAIN!!!<br>THANK U FOR THE HELP!!!
sergij07 [2.7K]

An example of a false negative is taking an HIV test and having the test come back negative to say the patient is clean, but in reality they have HIV. Another example of a false negative is a woman taking a pregnancy test saying "not pregnant" (i.e. test is negative), but she actually is pregnant. Between those two examples, it is better to have a false negative pregnancy test because it is non life threatening.

A false positive example would be getting bad news you have cancer, when you actually don't have cancer. Another false positive example is a test saying you have a cold virus, when in actuality you don't. The first example mentioned would have the patient likely go through intense chemo treatments which would greatly affect their livelihood. The second example is a more harmless false positive as it would involve at most a flu shot if anything.

6 0
3 years ago
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