The physical barrier of the immune system is your body tissue and skin.
Answer: Helmet
Explanation: The helmet protects the head incase of any bicycle accidents that could happen.
Answer:
it's <em><u>SET POINT i studied this</u></em>
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<em><u>if i can have brainliest that would be great</u></em>
Lymph vessels act as reservoirs for plasma and other substances including cells that have leaked from the vascular system and transport lymph fluid back from the tissues to the circulatory system.
False, it is not her fault because she cannot control how her metabolism works, she can only control the foods she eats.
