Answer:
Indirect transmission can occur through air, vehicles such as water, food and contaminated objects, or via a vector such as a mosquito. A susceptible host is a person or animal who can develop infection if exposed to the infectious agent. Susceptibility is increased if exposure is high, or the host's immunity is low.
Arteries<span> have thick, elastic, muscular walls whereas </span>veins<span> have thin walls with few elastic fibers</span>
Answer:
A common version of the push-up test is to measure the maximum number of push-up in a set time, such as one or two minutes. The US Army push-up test is conducted over two minutes, and the Navy push-up test over one minute. The Chair Push Up variation measures the maximum number in 30 seconds.
Answer: D. Workplace exposure
The workplace exposure is a primary risk factor for developing cancer. Chemical workers, X-ray technicians, ionizing radiation researchers and asbestos workers are those people who work and are exposed to cancer-causing agents. They must follow all safety precautions and as much as possible, minimize any exposure to such compounds.
