In: Anatomy and Physiology
Answer :)
We consider vitamin A as an example of an important nutrient.
In human:
Vitamin A is the nonexclusive term for a gathering of fat-solvent mixes exceptionally significant for human wellbeing. They're fundamental for some procedures in the body, including keeping up the sound vision, guaranteeing the typical capacity of the immune system and organs, and supporting the best possible development and improvement of children in the belly. The active form of Vitamin A is Retinal in the body. It consolidates with the protein opsin to shape rhodopsin, important for shading vision and low-light vision.
Vitamin A deficiency mostly causes Nyctalopia. Moreover, its deficiency causes measles and diarrhea.
In ruminant animal:
Vitamin A is necessary for normal vision in animals, maintenance of healthy epithelial or surface tissues, and normal bone development.
Due to vitamin A deficiency in a ruminant animal, night blindness, diarrhea, seizures, edema, increased susceptibility to infection, abnormal bone growth, abnormal sperm, and reduction in feed intake.