When cancer cells enter the lymph or blood system, they can form secondary tumours elsewhere.
<span>Secondary tumours are actually metastasis, cancer that spreads to a different part of the body from where it started. This happens when cancer cells break away from the main tumour and travel via blood or lymphatic system to other certain parts of the body. It is more difficult to treat metastasis because it is not always the same type of an original tumour.</span>
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Answer:</h3>
Which of the following is the most accurate example of supply and demand?
- The consumer cost for roses drops when fewer roses are available for sale.
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Explanation:</h3>
What is demand?
- Demand refers to consumers' desire to purchase goods and services at given prices. Demand can mean either market demand for a specific good or aggregate demand for the total of all goods in an economy.
Answer:
A negatively charged particle that orbits the nucleus of an atom is called electron.
crossing over, process in genetics by which the two chromosomes of a homologous pair exchange equal segments with each other. Crossing over occurs in the first division of meiosis. At that stage each chromosome has replicated into two strands called sister chromatids.
It might be c because lipids are essential because if carrying fats