Explanation:
Isotonic contractions generate force by changing the length of the muscle and can be concentric contractions or eccentric contractions. A concentric contraction causes muscles to shorten, thereby generating force. Eccentric contractions cause muscles to elongate in response to a greater opposing force.
Today's health challenges are formidable, including an ageing population; unhealthy lifestyles; the burden of behavioural determinants leading to increased mortality and morbidity from noncommunicable diseases; the rapid transfer of infectious pathogens and the potential for global pandemics; national disasters.
Answer:
acting as an antibacterial agent.
discouraging bacterial growth.
Explanation: