Soru
After five hours, the concentration of glucose in the hepatic vein is higher than the concentration of glucose in the hepatic portal vein. Explain this difference in concentration. __
Çözüm
4.2
(136 Oylar)
Erkan
Usta · 5 yıl öğretmeni
Uzman doğrulaması
Cevap
The difference in concentration of glucose between the hepatic vein and the hepatic portal vein after five hours can be explained by the process of glucose metabolism in the liver.The hepatic portal vein carries blood from the gastrointestinal tract and spleen to the liver. This blood contains nutrients, including glucose, absorbed from the digestive tract. The liver plays a crucial role in regulating blood glucose levels by storing excess glucose as glycogen and releasing it when needed.After five hours, the liver has had time to process and store the glucose from the hepatic portal vein. Some of the glucose is converted into glycogen for storage, while some is used for energy production or converted into other substances. As a result, the concentration of glucose in the hepatic portal vein decreases.On the other hand, the hepatic vein carries blood away from the liver to the heart. This blood has already had the glucose from the hepatic portal vein processed and stored by the liver. Therefore, the concentration of glucose in the hepatic vein is higher than in the hepatic portal vein after five hours.In summary, the difference in concentration of glucose between the hepatic vein and the hepatic portal vein after five hours is due to the liver's ability to store and regulate glucose levels.