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BaLLatris [955]
3 years ago
6

Which blood vessels supply deoxygenated systemic blood to the alveoli?

Biology
1 answer:
castortr0y [4]3 years ago
7 0

Answer: The Pulmonary Arteries

Explanation: They are two pulmonary arteries with on serving each human lungs, which brings deoxygenated blood to the lungs from the hilium. The arteries go into the capillaries of the alveoli. Capillaries are the thinnest ,smallest blood vessel,they supply oxygen to single tissues in all parts of the human body.

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A double-stranded piece of alien nucleic acid has been isolated. Each individual strand of the nucleic acid is 160 nucleotides l
ivolga24 [154]

Answer:

95 isoadenine bases;  adenine bases cannot be determined

Explanation:

In Alien DNA;

  • iA  complementary with U
  • iT  complementary with A
  • bG complementary with iC
  1. So if there were 95 nucleotide that contain the uracil then there should also be 95 isoadenine.
  2. Adenine binds with isothymine in alien DNA and there are no information of  isothymine or other bG/iC bases is given, so we cannot determine the adenine bases.
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Put the following in order: feces, bolus, and chyme
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Answer:

bolus,chyme and feces

Explanation:

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The stomach wall is made up of thick circular and longitudinal muscle layers. These muscles contract and relax producing movement that aids in the mixing of the contents of the stomach. This mixing is known as churning and results in the formation of a fluid called chyme.

The remaining semi-solid waste material is then passed to the rectum where it is stored temporarily and eventually eliminated from the body as feces through the anus as the sphincter muscles relax.

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sea water contains a salt

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Answer:

ever wonder if your dog really really loves you — or if he’s just in it for the kibbles?

Alas, scientists haven’t figured out exactly how our dogs feel about us. But a study published this week in the journal PLOS One has yielded fresh insight into how dogs see us. It adds to existing research showing that — much like humans, other primates and even goats — our canine friends use specific regions of their brain to “process” our faces.

“Our study provides evidence that human faces are truly special for dogs, as it involves particular brain activity,” study co-author Dr. Luis Concha, an associate professor at the National Autonomous University of Mexico’s Institute of Neurobiology, told The Huffington Post in an email. “To dogs, the human face is no ordinary thing.”

Explain:

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