The answer is probably A but it could be all of them.
Bones act as levers as well as the joints connecting them.
The answer to this question is #2
GM insulin has some advantages over insulin taken from pigs or cattle: very large amounts of insulin can be made. it is less likely to cause an adverse reaction. it overcomes ethical concerns from vegetarians and others.
Answer:
focus on yourself, set boundaries, and be more compassionate (to yourself).
Explanation: