Sometimes this reactivity of your airways after an infection is the first sign you have asthma. The bit of blood may be a little blood vessel trauma from forceful coughing. It is time to see your doctor for an evaluation. Hope this helps; take care:) ...Read more.
A solenoid is a type of electromagnet when the purpose is to generate a controlled magnetic field.If the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet. solenoid is a type of electromagnet when the purpose is to generate a controlled magnetic field.
Worms have a tube like body with a bristle like structure called setae. â¦Setae help keep worms in the soil and help them move. Segmented worms also have bilateral symmetry, a body cavity that holds the organs, and two openings -- mouth and an anus. Solving the world's problems .