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makkiz [27]
3 years ago
14

What is the body’s first line of defense?

Biology
1 answer:
Hoochie [10]3 years ago
3 0

Answer:

The first line of defence includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.

Explanation:

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Often happens with the fertilization of a sperm and an egg
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Answer:

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Which brain lobe is responsible for voluntary movement thinking personality and intentionality or purpose?
stiv31 [10]

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If the alleles are the same (AA) or (aa) the genotype is said to be:
tamaranim1 [39]

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yes

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Pretty much is only with breathing. If a person has asthma, the inside of these airways is irritated and swollen. Asthma can cause shortness of breath, wheezing, coughing, and tightness in the chest. For some people, asthma symptoms only appear when they are exposed to something that irritates their breathing. Others have a kind of asthma that makes breathing difficult all of the time.

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Why is sea water such an expensive fresh water resource?
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The correct answer is B.)

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Hope this helps!
7 0
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