Humans have two types of sweat glands: eccrine and apocrine. Sweating primarily regulates body temperature through evaporative cooling. Maximum sweat rate in adults is 2-4 liters per hour. Sweat contains 0.2-1% solutes and is pH between 4.5 and 7.0
Convulsion is rapid muscle contractions causing uncontrolled shaking. Not all epileptic seizures result in convulsions. Can occur from epilepsy, infections, brain trauma, or medical conditions
Seizure is a sudden change in brain's electrical activity. Primary generalized affects entire brain cortex. Partial seizures originate in one brain region. Causes include brain injury, infections, metabolic problems
Healthy stools should be brown, soft, well-formed and sink. Normal bowel movements occur 3 times weekly to 3 times daily. Food takes 14-58 hours to move through digestive tract. Average time to pass stool is 4.7-6.1 minutes for healthy women
Melena is black, tarry stool containing blood from upper digestive system. Blood needs 100-200ml to turn stool black. Melena is not a disease but a symptom of underlying condition
ADHD requires seeing a doctor to confirm diagnosis. Forgetfulness and difficulty listening are common symptoms. Frequent lateness and trouble concentrating are hallmarks. Impulse control issues and organizational difficulties occur. Fidgety behavior and emotional control problems may develop