Alveoli
Listeria bacteria can pass through the wall of the intestines, and from there they can get into the blood stream.
No because endocrine glands are ductless. This means it travels directly from gland to blood stream.
Yes.
Yes, drugs can pass through the walls of the stomach and into the bloodstream through a process called absorption. The rate and extent of absorption can vary depending on factors like the drug's properties, formulation, and the individual's physiology.
The answer is NO .Gluten is to large to pass thro the GI tract and also can not enter thro the blood stream.
No. But, their is a small chance of it happening, if for any reason it enters the blood stream.
The brochiole's function is to allow oxygen to pass into the aveoli (air sacks covered in capillaries) where the oxygen can then enter your blood stream.
The kidney's don't produce testosterone, kidney's filter the blood stream, and pass the waste to your bladder. Testosterone is produced in the testicles.
Tubes in the kidney. I'm not sure what they are called, though.
Nephrons
The area where chemicals pass between cells and blood is called the interstitial space. This space contains fluid that surrounds the cells and allows for the exchange of nutrients, waste products, and signaling molecules between the blood and the cells.
Those are called insulators.