The head loves Water, Tail hates it
To form a platelet plug, platelets are attracted to the damaged vessel, and then platelet ADHESION. It is fundamental during vascular injury.
<h3>What are platelets and platelet adhesion?</h3>
Platelets are specific types of blood cells that act in order to help blood clot.
Platelet adhesion is a fundamental cellular mechanism that occurs due to situations of vascular injury.
During this process (platelet adhesion) platelets bind via cell membrane receptors to both cell and extracellular matrix.
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Water vapour and gases such as oxygen and carbon dioxide are able to move across the egg shell through small openings called pores. The egg contains all the nutrients that the developing chick needs during the three weeks of incubation period.
The major evidence that the evolution is still ongoing is mutations that occur. Those changes at gene level happen by chance during the process of copying DNA and change through the populations over time. Individuals who reproduced can pass that mutation to their offspring. When carriers with a specific mutation are better able to survive and reproduce, natural selection will favor them. That is the way of new variant to be passed down and spread through the population.
