Question

marco has experienced extreme fatigue (tiredness) lately. he eats three balanced meals each day and exercises 2 - 3 times per week on his peloton bike. he gets 7 - 8 hours of sleep each night, but just cant seem to stay awake during the day. which organelle is most likely causing marcos problems? explain.

Explanation:

The thyroid regulates metabolism and energy - levels. If it's under - active (hypothyroidism), it can cause fatigue despite a healthy lifestyle like Marco's.

Answer:

It could be the thyroid gland.