How do mosquitos suck blood?

Believe It or Not!
Only female mosquitoes suck blood from people or animals. Because they need the protein in red blood to maintain and hatch their eggs. So the breeding female mosquitoes only suck the blood. On the other hand,the males get their foods from plant nectars

Now, Let's see! How do the mosquitoes at work?



The process that mosquioto use to suck blood is so complex that it surprises people.
First, the mosquito proceeds to seek the people and then selects the target.(In mosquitoes aspect, they can find the creatures surround them by using heat sensors, smell and sight.) They use proboscis, mouth part, to pierce the skin by moving back and forth. And then they insert its into the wound and start to suck blood. During the suction, they will leave their saliva which consist of some protein. As the substance made the skin secretes histamine. So this is the cause that why you feel itching ahd swelling when the mosquito bites you!