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STALIN [3.7K]
3 years ago
7

In the heart dissection you performed, you noted the muscular walls of the ventricles. The walls of the atria, however, were muc

h thinner. Why do you think the ventricular walls are so much thicker that the atrial walls?
Medicine
1 answer:
MrRa [10]3 years ago
7 0

Answer:

The correct answer is that ventricles have to pump blood very far in the body.

Explanation:

The human heart contains four chambers. The right chambers of the heart are the right atrium and right ventricle and left side left atrium and left ventricle.

Ventricles have thick walls than atria as they have a thin wall comparatively because they have to do more work than the atrium. The atria are chambers that gets incoming blood. On the other hand, the chambers of ventricles pump the blood out of the heart. Even the left ventricle has thick walls than the right ventricle. Blood is propelled out of the heart with greater pressure from ventricles compared to the atria.

Thus, the correct answer is that ventricles have to pump blood very far in the body.

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Yuliya22 [10]

Answer:a. This study involved comparison of two populations. What were the populations?

1) Pregnant women who took the drug.

2)Pregnant women who didn't take the drug.

b. Do you suppose the data were obtained in a survey or experiment?

- Survey

C.Provide a descriptive statistic that could be used to estimate the number of women out of 1000 in this population who have tissue abnormalities.

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63/3980=.0158

15.8%

D. remember that women whose mothers took the drug were twice as likely to develop tissue abnormalities.)

___ out of 1,000 women developed tissue abnormalities

15.8/2

7.9

e. Medical sudies often use a relatively large sample (in this case 3980). Why?

medical studies often use a relatively large sample (in this case, 3980) because disease occurrences can be rare and difficult to observe when only isolated populations are considered.

8 0
3 years ago
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GenaCL600 [577]

Answer:

False.

Explanation:

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A primary reason for needing a new vaccine for influenza each year is that _____. see concept 43.4 (page)
kiruha [24]

A primary reason for needing a new vaccine for influenza each year is that there could be mutation of surface proteins leading to a new outbreak

<h3>What is antigenic drift?</h3>

Antigenic drift is a phenomenon that causes small changes or mutations in the genes of influenza viruses leading to changes in their surface proteins of the virus, which are HA (hemagglutinin) and NA (neuraminidase).

For this reason, new influenza vaccines are produced yearly to alter the effects that may emerge as a result.

Thus, a primary reason for needing a new vaccine for influenza each year is that there could be mutation of surface proteins leading to a new outbreak

Learn more about influenza here:

brainly.com/question/12975693

#SPJ1

8 0
2 years ago
With the decision by schools to mandate vaccine does this prevent a parent from living freely? Explain your answer
Phoenix [80]

Answer:

The debates over vaccinations are often cast as arguments over the integrity of science. But they can just as easily be understood as conversations about power, writes Eula Biss, a senior lecturer at Northwestern University, in her book, On Immunity: An Inoculation. As it stands, all 50 states require specific vaccines for school-aged children, although each grants exemptions for students unable to be vaccinated for medical reasons. The power struggle—pitting parents against parents—arises in the 19 states that allow families to opt out of vaccination requirements by claiming a "philosophical exemption," whether based on personal, moral, or religious beliefs.

Explanation:

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