Answer:
Humoral immunity includes the B-cells.
Explanation:
There are two types of adaptive immunity responses. 1) cell mediated which possess of T cells
2) humoral immunity which possess of B-cells.
Humoral immunity is directed primarily against 1) toxin mediated diseases 2) certain viruses 3) infections in which virulence is related to polysaccharide capsules and to opsonize bacteria.
Role of B-cells in humoral immunity is
1) They differentiate into plasma cells and produce anitbodies
2) They are anitgen producing cells
B-cells are produced in fetal liver and in adukt life in bone marrow.
Later they are matured and undergoes through the process of clonal deletion as well.
Answer:
Yes, eating carrots can assist enhance eyesight under specific circumstances. Vitamin A is produced by the body using beta-carotene, and "vitamin A is extremely vital."
Explanation:
Carrots are high in beta-carotene, a substance that the body uses to make Vitamin A, and they can help lower cholesterol and, yes, improve vision. Vitamin A aids in the conversion of light into a signal that is conveyed to the brain, helping you to see more clearly in low light.
The elderly as they may suffer from disabilities or dementia which puts them at more risk