They are called lymphocytes, which are a type of white blood cell. I hope this helps! :)
Hey User! I would be more than happy to help you and answering your question but the image you uploaded seems to have a lot of lions due to the computer can you please re-upload new image and trying to see if you can avoid those lines that are shown? Thank you so much as soon as you upload I will help you out have a wonderful day
Pay watching the changes in your body
Being more creative
developing more intelligence
retaining more from class.
Hope this helps!