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DIA [1.3K]
3 years ago
5

Name the organ systems that come in contact with the external environment

Biology
1 answer:
galina1969 [7]3 years ago
6 0
The answer for this question would be Integument, digestive, respiratory and urogenital.
The largest system that contact with the external environment would be integument and digestive. That makes two system has normal flora of microbes and not sterile like the other systems. Normal flora of microbes will prevent the pathogen microbe grows so it gives some benefit. 
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Identify the correct statements about Lesch-Nyhan syndrome.
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Answer:

a.

c.

Explanation:

Lesch Nyhan syndrome is characterized by behavioral and neurological abnormalities, and excess uric acid production in the body. It occurs in males, almost exclusively.

Changes (mutations) in the HPRT1 gene causes Lesch Nyhan syndrome and is inherited in a recessive X-linked way. Several symptoms of Lesch Nyhan syndrome are Inflammatory arthritis (gout),  involuntary movements, self-injury and kidney stones.

Hence, the correct option are a. and c.

4 0
3 years ago
Rocks that differ greatly from their parent rock have what characteristic? A. Small crystals B. A high density C. A high metamor
kifflom [539]

Answer:A

Explanation:

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4 0
2 years ago
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6 0
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7 0
3 years ago
How much bacteria would exist at the end of a 24 hour period if you started at 1 and doubled every 15 minutes
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5 0
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