The answer that you are looking for is A. Nephrons
Angela's willingness to work on her flexibility to start ballet again, itself is the starting point.
Explanation:
- Ballet dancing involves fitness levels as any other sports person must have. It helps to keep our bodies in shape.
- In order to gain back her flexibility, to begin with, Ballet again, first and foremost Angela should be optimistic towards her approach and be mentally strong enough to start again.
- She has been a professional ballet dancer for many years. Therefore she knows how and where to start from and what all is required to be flexible enough to start again.
- She should start meeting the professionals from her field and also those who have given up completely but are into training others, which may give new directions which she may not be aware of.
- She needs to work on her strict diet, training sessions, deep-tissue massages and acupuncture, stretching exercises and ice packs required to ease on pain.
- She must take care of the above points considering the reason also why she stopped ballet dancing if there are any underlying medical issues that needs to be sorted out first.
By he NIH trying a new drug to help reduce pain associated with sickle-cell anemia, it's an example of an "experiment".
An experiment involves a hypothesis (an educated guess as to what's going to happen) and trying out the hypothesis and finding the solution.
