Answer:
Platelets are not activated before an injury occurs because that activation is inhibited while they are circulating and there is no damage to the vacular wall.
Explanation:
Platelets are responsible for forming a haemostatic stopper, at the end of the blood coagulation process. These blood components have the ability to go to the place where the vessel wall is damaged and clump together to prevent blood from leaking out.
Platelet migration and activation occurs when the vascular wall endothelium is injured. When this happens, some substances are released - such as adrenaline, ADP and thromboxane A2, among others - and promote platelet activation.
<em>However, this process should not occur before an injury occurs, as it can promote the formation of thrombi that can circulate in the blood vessels and block them.</em>
<u>An inhibitory mechanism, dependent on nitric oxide and prostaglandins, prevents platelets from being activated and clumping in the absence of injury</u>.
Answer:
nerve tissues that controls the body's movements and thinking process
Explanation:
Answer:
Big should ne honest about what happened. informed consumers of any plan that will be enforced in the future to avoid. and, it should offer a discount on the produce or offer a free token.
Answer:
The bloodstream receives much of the food which is dissolved in the small intestine.
Explanation:
The ______ receives much of the food which is dissolved in the small intestine
a. liver
b. kidneys
c. bloodstream (correct answer)
Because Blood has many different functions, including:
- transporting oxygen and nutrients to the lungs and tissues.
- forming blood clots to prevent excess blood loss.
- carrying cells and antibodies that fight infection.
- bringing waste products to the kidneys and liver, which filter and clean the blood.
- regulating body temperature.
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Answer:
TAH can take over the functions of the two lower heart chambers, while LVAD can take over the left chamber only
Explanation:
LVAD is a ventricular assist device used to help the circulation in the body of people who have problems with the left heart chamber. This device assumes the functions of only this camera, helping the patient to overcome possible problems that the malfunction of this camera may cause. On the other hand, an artificial heart is an implantable device that replaces the two lower chambers of the heart, called ventricles.
