Answer:
During platelet plug formation, platelets begin to stick to: collagen with the assistance of von Willebrand factor. As a platelet plug forms at an injury site platelets become activated and their cytoplasm: degranulates as they release chemicals such as ADP and thromboxane A2.
Explanation:
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Oxygen has a partial negative charge, whereas hydrogen had a partial positive charge.
This means that water molecules are polar and can be used to dissolve a lot of chemicals, that's why water is such a popular solvent.
Carbon and nitrogen and an important element of living things. Nitrogen is a major component of DNA and amino acids while carbon can be found in almost all biomolecules. These elements, therefore, need to be renewed and recycled as they are utilized by ecosystems that is ever dynamic.
True, our ecosystem is not independent. Everything depends on everything else to survive. :)
Answer:
your body is attacked by its own immune system
Explanation:
your immune system overreacts and decides to attack your body mistaking healthy objects like skin to be something unhealthy like a virus.
