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Paladinen [302]
4 years ago
5

What is the Human Heart made of?

Biology
2 answers:
Roman55 [17]4 years ago
8 0
"<span>The human heart is a pump made of muscle that pushes </span>blood<span> through the human body. The heart contains the aorta, anterior vena cava, semilunar valve, right atrium, right ventride, posterior vena cava, pulmonary artery, pulmonary vein, septum and left ventricle."

Happy studying ^-^</span>
Annette [7]4 years ago
3 0
I believe the human heart is made of cardiac muscle.
Hope this helps! :)
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A news article discussing the evolution of domestic dogs from wolves included this statement: "On its way from pack-hunting carn
gayaneshka [121]

Answer:

The correct option is <em>B) Some wolves may have had variants in their digestion that allowed them to eat wheat, rice, barley, corn, and potatoes and so were able to survive with humans.</em>

Explanation:

Organism of a population might have genetic variations in them due to many reasons. The species of a population which are better adapted to live in a particular area are able to survive and produce more offsprings. As a result, that particular area increases in that genetic variant.

In the above scenario, some of the wolves had variants in their digestion which made them better adapted to live with the humans as they could eat wheat, rice etc. The wolves which did not have variants in their digestion couldn't survive in the human areas.

4 0
3 years ago
Which is the correct zooplankton size variation from smallest to largest?
GuDViN [60]
Zooplankton size variation:
1) picoplankton<span> - measure less than 2 micrometers
2) </span>nanoplankton -<span> measure between 2-20 micrometers,
3) </span>microplankton -<span> measure between 20-200 micrometers, 
</span>4) mesoplankton - <span>measure between 0.2-20 millimeters, 
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5 0
3 years ago
Anemia is a medical condition in which the affected person lacks enough red blood cells. What two effects will such a condition
Nana76 [90]

Answer:

E. The patient will have increased platelets in the body

C. The patient will have a reduced oxygen supply to the cells

i did the test

Explanation:

3 0
3 years ago
Read 2 more answers
Which ecosystems are found in intertidal zones? Check all that apply. Estuaries tide pools coral reefs kelp forests salt marshes
tatuchka [14]

The ecosystem is defined as the stable interaction of biotic and abiotic factors in the surroundings. The intertidal is a zone of ecosystem found between land and water.

<h3>What is the Intertidal Zone of Ecosystem?</h3>

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  • The ecosystem found in the intertidal zones are estuaries, tide pools, and salt marshes.

Thus, the intertidal zone supports the ecosystem of marshes, tidal pools, and estuaries.

Learn more about the <u>ecosystem </u>here:

brainly.com/question/1673533

7 0
3 years ago
The downward force acting on an object in free fall is the force of ____________________.
denis-greek [22]
<span>The downward force acting on an object in free fall is the force of "GRAVITY"

And please try to put your questions in right subject section. 

Hope this helps!</span>
6 0
4 years ago
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