Vitamins that are water- soluble directly enter the bloodstream. Examples of these vitamins are B vitamins, biotin, pantothenic acid, folate and vitamin C.
All of them.
Digestion and absorption by osmosis
Alcohol and poison
The placenta is the structure that facilitates the transfer of nutrients directly from the mother to the human embryo during pregnancy. Through the umbilical cord, nutrients pass from the mother's bloodstream to the embryo's bloodstream, providing essential nourishment for the developing fetus.
Not everything that goes in your mouth enters your bloodstream. The digestive system helps break down food into nutrients that can be absorbed into the bloodstream, while waste products are eliminated. Some substances, like medications and alcohol, can enter the bloodstream directly through absorption in the mouth.
Nutrients are absorbed into the bloodstream primarily in the small intestine.
Nutrients leave the gut and enter the bloodstream through the lining of the small intestine.
Because medication enters directly into the bloodstream through an IV but pills must dissolve before they can enter the bloodstream
Muscle tissue itself does not absorb nutrients directly from food; instead, nutrients are absorbed by the intestines into the bloodstream after digestion. The bloodstream then transports these nutrients, such as amino acids and glucose, to muscles and other tissues in the body. Muscles utilize these nutrients for energy, growth, and repair, but the absorption process occurs primarily in the digestive system.
Intravenous injection allows contaminants to enter the bloodstream the quickest because the substance is directly injected into a vein, bypassing absorption barriers and quickly circulating throughout the body.
intestine called villi. Villi increase the surface area for absorption of nutrients like vitamins, minerals, and other essential compounds. From the villi, nutrients pass into tiny blood vessels called capillaries and then enter the bloodstream, where they are transported throughout the body to support various functions.
your body absorbs the nutrients in food through the lining of your stomach and intestine, and they go directly into the bloodstream. Alcohol does this too, that is why the cops measure your BAC, Blood Alcohol Content.