Answer: Blood loss regulation
Explanation:
Positive feed back is response of body in which there is an increase in the effect of small disturbance and the effect is intensified on a system. The magnitude of the effect increases.
In case of blood loss the body releases clotting factors that helps in preventing the body from severe blood loss.
The body releases clotting factors and these clotting factors tend to release more and more clotting factors that begins the process of blood clotting in vessels.
This is an example of positive feedback which acts as a life saving cascade.
Answer:
The correct answer is option C. hepatic portal system.
Explanation:
The hepatic portal system involves hepatic portal veins and its accessory tributaries. The hepatic portal system collects blood from digestive organs and spleens that consist of nutrients absorbed from these organs and circulate to the liver.
This system is unique to circulate both oxygenated and deoxygenated blood. This system involves most of the digestive organs from the esophagus to the end of the canal.
Thus, the correct answer is option c. the hepatic portal circulation.
Lungs = respiration, provides oxygen to the blood.
heart = arteries, pumps blood.
Answer:
Human lung capacity can be measure in several ways. One way is by using a piece of laboratory equipment called a respirometer or spirometer. A less accurate (but very sanitary) method to measure lung capacity is by using a balloon. Procedure A: VITAL CAPACITY 1. Blow up the balloon several times to stretch it before beginning to take measurements.
Explanation:
Answer: A surgical puncture of the abdominal cavity to remove excess fluid is known as abdominocentesis
Explanation: Abdominocentesis is a surgical procedure carried out by a train health personnel. It involves puncturing of the peritoneal cavity of the abdomen to access fluid which is drained and used for further diagnosis. Usually the fluid is drained by gravity, a syringe or by connection to a vacuum bottle. The procedure is carried out to:
- relieve abdominal pressure from ascites.
-to diagnose bacterial peritonitis.
-to diagnose blood in peritoneal space in trauma cases.
