The main organ of the respiratory system is the lungs.
Answer:
The reduction of speed limits in school zones reduces injuries for both drivers, and pedestrians by giving the driver more time to react to danger. For example, if a child was to run out onto the school zoned road the driver would have more time to come into a complete stop.
Explanation:
Answer:
B. Urticaria, or hives
Explanation:
Urticaria (hives) are characterized by pink, itchy ,burning swelling that can occur in any part of body and these individiual wheals do not last longer than 24 hrs (1day) being furthere divided into acute and chronic urticaria.
Hence option B. Urticaria, or hives is the right choice.