Answer Viruses
I believe the answer is viruses because viruses destroy and attack cells. Also they invade bodies. Hope this was helpful :)
Its classified as an additcive drug.
it crosses the blood-brain barrier.
there is a high risk of developing lung cancer.
Hope this helps!
Answer:
In nutrition, calories refer to the energy people get from the food and drink they consume, and the energy they use in physical activity. Calories are listed in the nutritional information on all food packaging.
Explanation:
Answer:
placenta
Explanation:
Nutrients and waste products are exchanged between the mother and her baby through the placenta and umbilical cord without any mixing of their blood.
i got this off the wonderful world of the internet
The answer is The World Health Organization.
It focuses on educating the community about good health.