Final answer:
Thiamin deficiency can lead to paralysis of the eye muscles, permanent damage to the nervous system, and impaired memory.
Step-by-step explanation:
Thiamin deficiency can lead to a) Paralysis of the eye muscles b) Permanent damage to the nervous system c) Impaired memory d) All of the above.
Thiamin, also known as vitamin B1, is an essential nutrient that plays a key role in the functioning of the nervous system. When a person is deficient in thiamin, they may experience a variety of symptoms affecting different parts of the body. These can include paralysis of the eye muscles, permanent damage to the nervous system, and impaired memory. Therefore, the correct answer is d) All of the above.