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Stells [14]
3 years ago
10

What are three functions of the placenta?

Biology
2 answers:
ra1l [238]3 years ago
7 0

Placenta protects the fetus during the germination period where the mother's system cares for itI think the closest possible answer to this question is Oxygenates the fetal blood, delivers nutrients, removes wastesThank you for your question. Please don't hesitate to ask in Brainly your queries
kupik [55]3 years ago
7 0

Answer:

The correct answer would be "Oxygenates the fetal blood, delivers nutrients, removes wastes".

The placenta is an organ which connects developing fetus to the uterine wall of its mother.

It performs various functions such as:

  • gaseous exchange, that is, delivers oxygen to the fetus blood and remove carbon dioxide,
  • delivers nutrients,
  • remove waste material produced by developing fetus,
  • helps in thermo-regulation,
  • helps in fighting infections, and
  • produces hormones essential for the maintenance of pregnancy.
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The current Acceptable Macronutrient Distribution Range (AMDR) for saturated fat is __________ percent of the daily caloric inta
denis23 [38]

Answer:

The answer is between 15 and 25 percent.

Explanation:

According to The United States Department Of Agriculture (USDA) and National Agricultural Library (NAL), the current Acceptable Macronutrient Distribution Range (AMDR) for saturated fat is between 15 percent and 25 percent of their daily  caloric intake for adults.

I hope this answer helps.

4 0
3 years ago
You observe a high proportion of malarial infections in a small village located in Angola. Malaria is caused by the protozoan Pl
svet-max [94.6K]

Answer:

<em>B and C.</em>

Explanation:

The epidemiological triangle is an illustration of interaction among suitable hosts, disease agents, and the environment that drives successful outbreak of diseases.

In order to successfully tackle or reduce the incidence of a disease, the triangle has to be broken.

<em>In the case of malaria which is caused by plasmodium but spread through the female anopheles mosquito, one way of breaking the epidemiological triangle is to eliminate female anopheles mosquito in the environment using any possible means. This will stop the spread of the parasite and hence, the disease.</em>

<em>Another way to reduce/prevent malaria is to prevent the vector, female anopheles mosquito from getting to the host, the human populace. This can also be achieved by several possible means.</em>

Relocating the entire village to a neighbouring village might not break the epidemiological triangle as long as female anopheles mosquito still abounds. In the same vein, antibacterial drugs will not help to treat malaria. However, instructing residents on personal protective measures and controlling the vector through chemical larvicides will go a long way in breaking the triangle and reducing the incidence on the malaria disease.

<em>The correct options is B and C.</em>

5 0
3 years ago
Which of these is a piece of evidence supporting the theory of evolution?
ycow [4]

The C option is Correct.

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Galapagos finches is a piece of evidence supporting the theory of evolution.

Darwin's finches comprise a group of 15 species endemic to the Galápagos (14 species) and Cocos (1 species) Islands in the Pacific Ocean. The group is monophyletic and originated from an ancestral species that reached the Galápagos Archipelago from Central or South America.

On his visit to the Galapagos Islands, Charles Darwin discovered several species of finches that varied from island to island, which helped him to develop his theory of natural selection.

6 0
3 years ago
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Singing<span>. is the anwser</span>
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3 years ago
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