Answer:
What is the reading..I need to read what you read.
O air-filled cavities that secrete mucus to keep the nose moist and remove bacteria.
Answer:
tar
Explanation:
tar is the reason your lungs go black because it is evaporated into the smoke that you breathe in and is known to be the most known cause of cancer
Answer:
Breast Cancer
Explanation:
There are several factors that may affect your risk of developing breast cancer. These include:
The factors that lead to risk of developing breast cancer are –
a) Getting old and having children at or after the age of 30 years.
b) Starting Menstrual period at a very young age
c) History of any breast disease
d) Having a genetic mutations in BRCA1 or BRCA2 genes
e) Having excessive weight and being physically inactive
f) Drinking alcohol excessively
g) Using oral contraceptives
They Protect Us From Risk
