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  Ding Lulu was squeezed by a small ball in her hand.

   Xie Wanying doesn\'t have to.

  Ding Lulu turned her head and asked Xie Wanying, "Did you take any medicine before you came? Why is your blood flow faster than mine? I\'m obviously heavier than you."

   Therefore, it is said that children who are not doctors can understand everything. It is true that people do not study medicine. How can they understand medicine thoroughly.

  Some people have fast blood flow, while others have slow blood flow, which is related to each person\'s blood condition. Blood viscosity and blood volume will affect the speed of blood donation.

   Drinking some water before donating blood can effectively reduce blood viscosity and increase blood volume to speed up blood donation.

   Xie Wanying did not deny that she drank some water to replenish her strength before coming to donate blood. Furthermore, for people of the same weight, thin people have higher blood volume than fat people. This is because regardless of fat or thin, people\'s blood volume accounts for 7 to 8 percent of their body weight. Ding Lulu is slightly heavier, but she is fat and has no blood volume advantage. Not to mention a person who exercises regularly, the blood vessels themselves are relatively thick, and the blood flow rate is naturally fast in thick blood vessels.

   Finally, the emotions of blood donors can affect blood flow rate. When a person is tense, blood vessels constrict and blood flow slows down. Like Ding Lulu, the nervousness never disappeared. After asking her, she asked the nurse, "Are you sure how much blood you have collected from me? I only donate 300, so don\'t you want to collect more from me?"

   The nurse was very helpless when she received her question. She pointed to the blood collection scale that was always placed under the blood bag during the blood collection process, and said, "Here are the numbers for you to see for yourself."

  The blood station center is more afraid of collecting more or less blood than you, and will use advanced equipment for blood collection and measure the blood collection in time. The blood collection scale will shake and mix the collected blood and the anticoagulant in the blood bag. When the blood collection volume reaches the set target value, it will sound.

   About ten or five minutes later, Xie Wanying finished donating blood and ended ahead of schedule. The nurse brought her a bottle of milk to supplement her nutrition and told her to rest more after returning. It is impossible to take a break for the time being. In the morning, my eldest cousin is going to have a CT examination. If it is fast, the results may be available in the afternoon. Thinking like this, Xie Wanying collected the registered blood donation certificate and hurried to leave.

   Looking at Ding Lulu who had left, she pouted and decided to lie down comfortably here after donating blood. Unlike Xie Wanying, she didn\'t plan to work hard for Xiao Shugang.

  At the same time, in the emergency department, we go to work normally on Saturday morning. Zhang Huayao arrived at the emergency department just before eight in the morning. When I came to the nurse\'s station, I heard the nurse on the night shift last night reporting the gossip to the head nurse: "Dr. Cao Yong from the National Association came last night."

   "When? What is Dr. Cao coming for?" the head nurse asked in surprise.

   "He came to take care of Dr. Shen\'s patients." After the nurse said this, she saw Zhang Huayao\'s arrival and shut her mouth.

   "Director Zhang." The head nurse turned to say hello to Zhang Huayao, seeing the inscrutable expression on Zhang Huayao\'s face after listening to their conversation.

   Zhang Huayao thought to himself: Cao Yong found out that someone was in their country so soon. Did Xie tell Cao Yong to come over by himself? Should not be.

   Doctor Yao, who was on the night shift, came over and explained to him that Cao Yong would not let anyone say that he had been there.

   The smart Xie classmate couldn\'t hide from Cao Yong, it was an expected result, so didn\'t he say there was a good show to watch?

   Zhang Huayao raised his eyebrows, turned around and took Dr. Yao and the others to inspect the patients.

   A group of doctors walked to Xiao Shugang\'s bedside.