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alexgriva [62]
3 years ago
6

The ___ is the main organ of the circulatory system.

Biology
2 answers:
alexdok [17]3 years ago
6 0
The *heart* is the main organ of the circulatory system.
The circulatory system consists of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessels (systemic). The system is responsible for the flow of blood, nutrients, oxygen and other gases, and as well as hormones to and from cells.
podryga [215]3 years ago
5 0

It's probably the heart.

Note that there are actually three "main" organs in the circulatory system, the heart, lungs, and arteries, veins, e.t.c.

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Why is it so important for animals to keep the concentration of their body fluids constant​
Maurinko [17]

Answer:

A balance of bodily fluids will prevent the development of diseases, the deterioration of body organs, and death of animals.

Explanation:

Water, blood, saliva, sweat and other body fluids should be kept constant and balanced through homeostasis because the sharp rise and fall of these fluids will prevent the organs of the body from operating optimally and this can lead to the development of diseases and consequent death. For example, water is a vital fluid. Too much of water in the system can lead to diseases like Edema where the legs begins to swell because there is no way of letting out body fluids from the body.

Too little water in the body can lead to dehydration and the increase in blood pressure because of the excessive concentration of solutes. The digestive and urinary systems have  mechanisms to keep this fluid under control.

6 0
3 years ago
Neurons have _ forms<br><br> A) Different <br> B) the same
Anika [276]
B=the same , but a different charger
6 0
3 years ago
Which of the following statements best supports Mendel's Law of Segregation?
SSSSS [86.1K]

Answer: The answer is C, the individual alleles that make up the gene must SEGREGATE (which means separate) during gamete formation, hence the name “law of segregation”

Explanation: Hope this helps

4 0
3 years ago
If a mineral can scratch fluorite and it can be scratched by a knife what is the hardness of the mineral
alukav5142 [94]

Answer:

The hardness rating is 4.

Explanation:

Calcite sits at a hardness rating of 3 and is very easily scratched with a knife and/copper coin.  This is where most Marbles, limestones, travertines, rate.

Meanwhile, Fluorite sits at hardness 4 and can be scratched by a knife.

7 0
3 years ago
In Japan, food scientists have produced a type of watermelon that is square instead of
Tamiku [17]

Genetically modified (GM) foods are the ones came from organisms whose genetic material (DNA) are altered as they do not occur naturally. Food shortage, cost, variety can make people support the GM foods, while, religious beliefs, allergy, and worrying about the food can limit the support for these foods.

<h3>What are the characteristics of GM foods?</h3>

Genetically modified (GM) foods are those derived from organisms the ones genetic material (DNA) has been altered as they do not occur naturally.

Its characteristics are:

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As food shortage, cost, variety can make people support the GM foods, while, religious beliefs, allergy, and worrying about the food can limit the support for these foods.

Thus, the correct option is A.

For more details regarding genetically modified crops, visit:

brainly.com/question/21807373

#SPJ1

6 0
2 years ago
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