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How were the thirteen clotting factors numbered?

The clotting factors were numbered based on their order of discovery, not in order of their biological functions. They were numbered in Roman numerals from I to XIII as they were identified.


What are the names of the thirteen muscles in scalp massage?

The thirteen muscles in scalp massage are frontalis, occipitalis, temporalis, auricularis anterior, auricularis superior, auricularis posterior, platysma, corrugator supercilii, procerus, orbicularis oculi, levator labii superioris, zygomaticus major, and occipital belly of occipitofrontalis.


What are the two types of factors that an ecosystem has?

An ecosystem has biotic factors, which include living organisms like plants and animals, and abiotic factors, which include non-living elements like sunlight, water, and soil. These factors interact with each other to maintain the balance and functioning of the ecosystem.


What is One of the factors of a cell that leads to mitosis?

Factors that affect cell division, that is if cells divide or not, can be categorized into internal factors, growth factors and external factors. For more information it is best to study literature on the subject.


Is it possible to be pregnant for twelve to thirteen months and what would be the cause?

No, it is not possible for a human pregnancy to last for twelve to thirteen months. The average human pregnancy lasts around 40 weeks or approximately nine months. If a pregnancy lasts longer, it may be a sign of a miscalculation of the due date or a complication that needs medical attention.