Blemish is a skin discoloration or dark spots on face caused due to acne white heads, black heads, and pimples. It is also known as hyper pigmentation. Blemishes cause skin discoloration and belmishes can happen due to boils, suntan, itching, rashes, pimples, pigmentation as well.
â¢ The main difference between the endocrine gland and exocrine gland is that, an endocrine gland lacks ducts and remains as blocks of tissue. â¢ So, endocrine gland secrets chemical substances directly to the blood stream, while exocrine gland secrets its product into a duct.land is a specific structure which secrets various chemical substances such as enzymes, hormones, and metabolites. There are two types of glands in the body called endocrine glands and exocrine glands.
The liver and pancreas are both exocrine and endocrine glands; they are exocrine glands because they secrete productsâ bile and pancreatic juice âinto the gastrointestinal tract through a series of ducts, and endocrine because they secrete other substances directly into the bloodstream.