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Answer the following questions in relation to systems of response to stimuli in the human body - Leaving Cert Biology - Question c - 2005
Question c
Answer the following questions in relation to systems of response to stimuli in the human body. (i) The pancreas is both an excocrine gland and an endocrine gland. ... show full transcript
Worked Solution & Example Answer:Answer the following questions in relation to systems of response to stimuli in the human body - Leaving Cert Biology - Question c - 2005
Step 1
Explain the underlined terms.
Answer
An exocrine gland is one that secretes substances through ducts to the surface of an organ or tissue, or into the body cavities. In the case of the pancreas, it produces digestive enzymes that are released into the small intestine.
An endocrine gland, on the other hand, releases hormones directly into the bloodstream. The pancreas also produces hormones like insulin and glucagon, which regulate blood sugar levels.
Step 2
Name a product of the endocrine portion of the pancreas and state one of its functions.
Answer
A product of the endocrine portion of the pancreas is insulin. Its primary function is to regulate blood sugar levels by facilitating the uptake of glucose into cells and thereby lowering blood sugar levels.
Step 3
Name a disorder other than cancer for each of the following and indicate a possible cause and a means of treatment: Musculoskeletal system
Answer
Arthritis is a disorder affecting the musculoskeletal system. A possible cause can be an injury or a hormonal imbalance. Treatment may include anti-inflammatory drugs, analgesics, and rest or exercise.
Step 4
Name a disorder other than cancer for each of the following and indicate a possible cause and a means of treatment: Nervous system
Answer
Parkinson's disease is a disorder of the nervous system. A possible cause includes genetic factors or the disease affecting dopamine levels. Treatment may involve physiotherapy or medication to increase neurotransmitter production.