Answer:
start skating in hilly areas
Explanation:
it would make skating more difficult, hence increasing the intensity.
HIV or Human Immunodeficiency Virus is a viral infection, which directly attacks Leukocytes (white blood cells). Leukocytes are the cells responsible for fighting infections that break past the skin. If the infection is not controlled it can cause a range of disorder's which form a syndrome called AIDS or Acquired Immunodeficiency Disorder Syndrome. When this happen common infection for such thing as a common cold can turn lethal as the body is unable to fight pathogen's effectively.
Lungs disease
jaundice
handicapped
heart disease
1. Make it fun.
2. Make physical activity part of your daily routine.
3. Put it on paper.
4. Join forces with friends, neighbors or others.
5. Reward yourself.
6. Be flexible.