Answer:
antibodies
Explanation:
The third line of defense is specific resistance. This system relies on antigens, which are specific substances found in foreign microbes. Most antigens are proteins that serve as the stimulus to produce an immune response. The term "antigen" comes from ANTI-body GENerating substances.
Antibiotics can
1) stop bacteria from growing and dividing by interfering with nutrient uptake (bacteriostatic)
<span>2) kill bacteria by disrupting cell wall (bacteriolytic) </span>
My answer would be C.) Slowly increasing the amount of time spent stretching.
Because if you do a good amount of stretching per day, while gradually increasing the time spent stretching, then you are bound to become more flexible around the hips :)
C. These activities are appropriate because they make the leg muscles more flexible.
