Smell: to use your nose to sense objects or gas using the energy that is released into the atmosphere. Sometimes something smells familiar, so you perceive what it is.
Sentence: Once I walked in my house, the only thing I could smell was pizza.
Answer:
If untreated male and females can become sterile. For women this would be called PID or pelvic inflammatory disease.
Explanation:
I would say A. Whooping Cough
It is called interval training
