HURRY! Which of the following is a lung disease in which breathing becomes difficult, and in some cases impossible?

coronary artery disease

chronic obstructive pulmonary disease

cirrhosis

arrhythmia

The answer is B.

Explanation:

Cirrhosis is a disease of the liver. Arrhythmia and coronary artery disease are both diseases of the heart. Chronic obstructive pulmonary disease is a disease of the lungs. Therefore the answer is B.

these are common warning signs of overtraining syndrome:

washed-out feeling, tired, drained, lack of energy

mild leg soreness, general aches, and pains

pain in muscles and joints

sudden drop in performance

insomnia

headaches

decreased immunity (increased number of colds, and sore throats)

decrease in training capacity/intensity

moodiness and irritability

depression

loss of enthusiasm for the sport

decreased appetite

increased incidence of injuries.

a compulsive need to exercise

so what is your question?