B is the correct answer (-2.-19)
Answer:
All sexually transmitted diseases can be prevented by abstinence (not engaging in sexual activity) and using protection.
If one is sexually active, get tested for STIs regularly. Make sure the partner has been tested as well.
Some STIs are syphilis, genital herpes and hepatitis B.
Answer:
A monopoly
Explanation:
The person/busniness is the only supplier of a particular commodity.
Healing will be happening
Answer:
Inhibition of Calcitonin synthesis
Explanation:
Calcitonin is secreted by the thyroid gland to regulate calcium and phosphorus levels in the blood. the Calcitonin slows down the osteoclasts activity which in-turn decreases blood calcium. A decrease in calcium serum levels stimulates the parathyroid hormones which inhibits the synthesis of Calcitonin and regulates the calcium serum levels.
