Answer:
natural barriers
Explanation:
skin, mucous membrane, tears, earwax, muscus, stomach acid
Answer:
Explanation:
You might not necessarily be any idiot as you think but what you failed to do before convincing your friends to come to the school was that you did not make appropriate findings if the school, the comfortability of your friends, their needs if then eventually come and transportation. Assuming you make these researches beforehand, you would have know what to to do and won't find yourself in the situation you find yourself now.
It is advisable you make proper, findings before taking a decision. You can still explain the situations to your friends.
Thanks
In an open system such as a campfire, matter can <span>lose particles, gain particles or exchange particles.</span>
The correct answer is: the " phospholipid bilayer " .
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→ { which is hydrophobic (water-repellent) due to its waxy-like composition of many lipids.}.
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Hope this helps you!
Best wishes!
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Answer:
The answer is A.
Explanation:
Since only 1 of the options is wrong, i assume you are looking for that one.
Two types of immunity systems, innate immunity and adaptive immunity. Adaptive immunity is formed when it is exposed to a harmful substance, vaccines for example create adaptive immunity.
Innate immunity is present at birth which consists our skin protects us physically, chemical substances in our blood that protect us from bacteria and infections and also our blood cells such as T cells.
Since innate immunity forms one of the first lines of defense in our immune system and is the first to respond to a threat in a few hours down to as little as minutes, it is not slower than adaptive immunity in its response to infections and pathogens.
I hope this answer helps.
