Which of the following is a component of the lymphatic system?
Spleen
Thyroid gland
Adrenal gland
Pancreas
The Correct Answer is A
A. The spleen is a key component of the lymphatic system. It filters blood, removes old or damaged blood cells, and plays a role in immune function by storing white blood cells that fight infection.
B. The thyroid gland is an endocrine gland involved in regulating metabolism through the production of thyroid hormones, but it is not part of the lymphatic system.
C. The adrenal glands are also endocrine glands responsible for producing hormones like adrenaline and cortisol. They are not part of the lymphatic system.
D. The pancreas is an organ involved in digestion and blood sugar regulation through insulin production. It does not function within the lymphatic system.
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Related Questions
Correct Answer is D
Explanation
A. Hydrochloric acid is a strong acid produced in the stomach to aid in digestion, not a byproduct of glucose breakdown.
B. Ketotic acid is produced in conditions where fat metabolism predominates, especially during ketosis, not during anaerobic glucose breakdown.
C. Carbonic acid forms when carbon dioxide dissolves in water and is not related to glucose metabolism.
D. Lactic acid is produced during anaerobic respiration when glucose is broken down without sufficient oxygen. This occurs in muscles during intense exercise, leading to the accumulation of lactic acid, which causes the sensation of muscle fatigue. This is the correct answer.
Correct Answer is D
Explanation
A. The production of breast milk is the function of the mammary glands, not the lacrimal gland.
B. The production of saliva is the function of the salivary glands, not the lacrimal gland.
C. The secretion of cerumen (earwax) is the function of the ceruminous glands, not the lacrimal gland.
D. The lacrimal glands are responsible for the secretion of tears, which help to lubricate and protect the surface of the eyes. This is the correct answer.
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