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Usimov [2.4K]
2 years ago
15

Which system is responsible for preventing pathogens from disturbing homeostasis?

Biology
1 answer:
Jet001 [13]2 years ago
4 0

Answer:

The immune system protects the host from pathogenic organisms (bacteria, viruses, fungi, parasites). To deal with this array of threats, the immune system has evolved to include a myriad of specialised cell types, communicating molecules and functional responses.

Explanation:

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Arteries carry oxygenated blood away from the heart and typically have ________________ blood pressure. Veins carry deoxygenated
KatRina [158]
The correct answer is high, low.

Arteries are part of the circulatory system and are responsible for carrying blood away from the heart and around the body. The arterial blood is oxygenated and this process ensures that every tissue around the body will receive oxygen and nutrients through this blood flow.

Veins are also part of the circulatory system and are responsible for carrying the deoxygenated blood from the tissues back to the heart.

Venous pressure is much lower than the arterial pressure. More specifically, venous pressure ranges from 5 to 8 mmHg, while arterial pressure ranges from 15 to 30 mmHg.
4 0
3 years ago
The process of a plant making its own food is called?
WARRIOR [948]

Answer:

Your answer is photosynthesis.

6 0
3 years ago
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Macromolecules that contain carbon , hydrogen and oxygen in a 1:2:1 ratio is called ?
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Answer/Explanation: Carbohydrates contain carbon, hydrogen and oxygen atoms with the ratio of hydrogen atoms to oxygen atoms in the ration of 2 hydrogen atoms to 1 oxygen atoms (2H : 10) such as in sucrose or table sugar C12H22011. It is Carbohydrates are a ready source of energy.

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3 years ago
Why does dna copy itself during the cell cycle?
natima [27]
Well the whole point of the cell cycle is to make more cells so it could be C, but it also wants the daughter cell to have the same AMOUNT of DNA, not the exact type (in meiosis) so B may be right, but most likely it is C
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3 years ago
Plants can produce their own food so they are called?
geniusboy [140]
Plants are called producers. They produce their own food using sunlight, and they convert it into sugar-like substances. :3
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