<span>There
are no choices available but I will just give you a brief description of a
person living a sedentary life. This person does not partake in any form of
physical activity or exercise, has bad habits, and an improper diet. People who
often live this kind of lifestyle are prone to many health-related diseases
(e.g. heart disease, stroke, cancer). </span>
The second line of defence is a group of cells, tissues and organs that work together to protect the body. This is the immune system.
When a pathogen (disease-causing organism) invades the body, the neutrophils gather at the entry site and try to engulf it and destroy it.
A T helper cell will recognise only one pathogen. If the T helper cell recognises the invader, it will immediately clone to increase numbers.
After a few days of fighting off the pathogen, you will recover from your infection.
Answer:
play safe.
wear the right gear.
take breaks.
do not play through pain.
take time off.
Answer:
Because it can still cause harm or wrecks even though they are perscribed with it.
Explanation:
