The difference is that emphysema and chronic bronchitis are different types of chronic obstructive pulmonary disease (COPD). <span />
Answer:
The correct answer is option A: "the maintenance of homeostasis within the body system".
Explanation:
The pancreas secretes insulin and glucagon, hormones that work together for the maintenance of homeostasis within the body system. When the blood sugar level is low, the pancreas secretes glucagon to raise them. When the blood sugar level is high, the pancreas secretes insulin to lower them.
