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harina [27]
3 years ago
7

What are the advantages of using a pig’s heart to create a human heart versus growing a heart directly from stem cells?

Geography
1 answer:
Alina [70]3 years ago
6 0

Answer:

Recently much interest has been centred towards the comparison of a pig’s heart and human heart in the pursuit of Xenotransplantation. This is because there has been a growing demand of organ transplantation which is unmet by the number of human donors . Although, both belong to the genera of Mammalian origin there are marked difference in the anatomy of their hearts and also their associated physiological functioning. Both the hearts are divided into the auricular and ventricular chambers and have their drainage through the pulmonary arteries and aorta into the lesser and greater circulation. The myocardial volume supplied by left coronary arteries are higher and dominant compared to right coronary arteries in both these hearts as the left heart needs more oxygen supply for its greater activity to pump blood into the systemic circulation .

Explanation:

HOPE THIS HELPS

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4. What are the characteristics and relative abundance of sediments based on their
Misha Larkins [42]

Answer:

When the magma, a molten rock flows as lava at the planet's surface, the surface gets cooled after a long, this whole process cause formation of some kinds of minerals on that surface.

Explanation:

Magma and Lava both are types of molten rock. The underground molten rock is called magma while the exploded molten rock on surface is known as lava. When these rocks cools down they get solidified and form crystal rock structure. Cooled magma is called plutonic igneous rock and cooled lava is called volcanic igneous rock. These rock crystals are of different sizes and consist several minerals such as Silicon(Si), Sodium (Na), Potassium (K), Aluminium (Al), Iron(Fe), Magnesium(Mg), Calcium(Ca). Some rocks that forms minerals consist high amount of iron. The amount of minerals and elements in every rock can very depending on shape and size.

4 0
3 years ago
The term that is used to describe the permanently frozen subsoil in siberia is...???
julia-pushkina [17]

Answer:

The term is permafrost

Hope this helps <3

Explanation:

5 0
2 years ago
Why is the flooding of the Brahmaputra important
spin [16.1K]

It doesn't sound important

4 0
3 years ago
A population density map of the world shows that the distribution of people is most obviously affected by
antiseptic1488 [7]

Answer:

Option (A)

Explanation:

A population density map is used to define as a map that shows the presence of a number of the population existing in any particular area. It directly reflects the dispersion of people that are mainly affected by environmental factors. This includes the variable amount of natural resources present in that area, the type of climate prevailing, the topography of the area and the availability of water resources.

The places which are rich in resources and low lying areas, with plenty of water resources and moderate type of climate are comprised of high-density population. On the other hand, the places which are highly elevated, lack of resources and extreme cold and hot climate are comprised of a lesser population.

Thus, the correct answer is option (A).

7 0
3 years ago
Which of the following statements about the tail of a comet is correct?
alexgriva [62]

Answer is B

Explanation:

The force exerted on the coma by the Sun's radiation pressure and solar wind cause an enormous tail to form, which points away from the Sun.

8 0
3 years ago
Read 2 more answers
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