Answer:
These are the corrected answers.
4) c) the common cold; the flu
1) true
6) d) bacteria; virus
Answer:
Antibiotics are used as treatments for bacterial infections because antibiotics kill living things, like bacterial cells, but it isn't enough to do major damage to your bodily tissues
Muscles. The biggest change in the body caused by regular exercise is to muscle tissue. “Once you take up exercise, you get early changes in gene expression, within hours, and this continues,” says Prof Donnelly. “The genes are for improved aerobic performance and muscle growth.
