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Vikentia [17]
3 years ago
5

Why do the lungs have a large number of blood vessels?

Biology
2 answers:
Sonja [21]3 years ago
5 0
Because blood needs oxygen and thats where it gets the most of it

torisob [31]3 years ago
4 0
The lungs are the source of oxygen for the blood, and the blood vessels pass through it in order to exchange the Carbon dioxide that has been produced through respiration, with fresh oxygen to transport to the muscles so respiration may continue.

There are a large number because a larger surface area means more diffusion can occur, and we want the gas exchange to occur as quickly as possible, so when you're working hard and the muscles need more oxygen, this can be provided.
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In cellular reproduction, ___ ALWAYS occurs in 5’ to 3’ direction
attashe74 [19]

Answer:

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DNA replication is the process whereby the genetic material (DNA) duplicates itself into two identical copies. This process must occur prior to any cellular division (meiosis or mitosis) in order to ascertain that each daughter cell gets an even and correct amount of DNA.

The process of DNA replication begins with the unwinding of the double stranded DNA molecule into two single strands of DNA. One strand called leading strand runs from 3'-5' while the other strand runs from 5'-3'. However, DNA replication proceeds in the 5'-3' direction.

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Explanation:

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tekilochka [14]

Answer:

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3 0
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Where are chromosomes found in an animal cell? A) inside a gene B) in the cytoplasm Eliminate C) in a strand of DNA D) inside of
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They are found in the Cytoplasm
7 0
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Read 2 more answers
Help&amp;explain <br><br> Don’t use for points or will be reported and I’ll take the points back
kicyunya [14]

Answer:

They have lungs.

Explanation:

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3 years ago
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