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liberstina [14]
3 years ago
14

Which chamber of the heart do you think is the most muscular? explain your reasoning. a growing fetus has a vessel, the ductus a

rteriosus, in the heart that connects the pulmonary artery with the aorta and conducts blood directly from the right ventricle to the aorta. why do you think this vessel closes soon after birth? in most of the body, the arteries carry oxygenated blood and the veins carry deoxygenated blood. the exception to this pattern is the heart. explain how and why specific arteries and veins of the heart are different from the pattern seen in the rest of the body. describe the mechanisms in place to prevent the blood from flowing in the wrong direction through the heart. explain what happens to tissues, such as the heart, or the brain, if oxygenated blood is not delivered in a timely manner?
Biology
1 answer:
statuscvo [17]3 years ago
8 0
Points ggggggggggggggggggggggggggggggggggggggggggggggggggggg
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What would increase the amount of oxygen unloaded by hemoglobin into peripheral tissues?
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Decreased pH would increase the amount of oxygen unloaded by hemoglobin into peripheral tissues.

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8 0
1 year ago
Which statement correctly compares nucleic acids and carbohydrates? A)They both contain phosphorus, but only nucleic acids conta
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5 0
3 years ago
Read 2 more answers
In pan mixia, in the absence of migration, mutation, and selection the frequencies are A) Constant in genotype and phenotype B)
muminat

Answer: option A - Constant in genotype and phenotype

Explanation:

Pan mixia is a situation in which an individual is just as likely to mate with another randomly chosen individual as any other in the population

In a situation as described in the question, sexual reproduction is limited to organisms of the same habitat, thus the genetic variation is reduced to the BAREST MINIMUM.

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6 0
3 years ago
There are many methods to increase the amount of food produced. Which
dimaraw [331]

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<em>The overuse of pesticides</em>

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Pesticides are usually sprayed on plants so that the pest organisms can be killed. But these chemicals sprayed on plants can be toxic for humans when humans consume crops which have been sprayed with pesticides. Also, erosion causes these toxic chemicals to get eroded in the nearby lakes. The chemicals in the pesticides are harmful for every life that uses this water. Hence, the overuse of pesticides might kill pests but it is also toxic for consumption by humans.

4 0
4 years ago
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