nothing
The small intestine is to nutrient absorption as the blood is to nutrient distribution.
nutrient missing in asthma
Sodium chloride is not a nutrient.
yes carbohydrate is a nutrient
possibly no it is not a nutrient
primary nutrient deficiency is caused by lack of intake of said nutrient (deficiency is caused by not consuming the nutrient in adequate amounts)
a limiting nutrient
Yes
red pepper's nutrient
No, lipids are fatty acids and are considered to be an organic nutrient. Lipids are formed of long chains of carbon with mostly hydrogen atoms attached along the length. At one end they typically have a hydroxyl group that acts like an acid, and are usually attached to a carrier molecule such as a triglyceride at the other end.
When the leaves and bark of a plant fall onto the ground, they decompose forming nutrient rich brown mulch. This mulch later turns into soil with age.