Every day low prices on contact lenses! Plus free shipping on all orders.*. Youâll save money and time when you buy contact lenses at Walmart Contacts online. Focus on our large selection of lenses, including top brands you trust at low prices youâve come to expect. And with a valid prescription, you can order online with ease and have them shipped to your front door.
1 Lymphocytes, neutrophils, and monocytes. 2  These white blood cells fight against invading bacteria, viruses, or fungi to help destroy infection. 3  Each of these cells differs in appearance. 4  Eosinophils and basophils.5  These white blood cells respond to allergens that can invade our bodies. Lymphocytes, neutrophils, and monocytes. 2  These white blood cells fight against invading bacteria, viruses, or fungi to help destroy infection. 3  Each of these cells differs in appearance. 4  Eosinophils and basophils.
White blood cells play an important role in your bodyâs immune system, searching the blood for invading viruses, bacteria, and fungi. When a foreign virus or bacteria enters your blood, the white blood cell, or leukocyte, recognizes and destroys the invading particle before it can cause disease.hite blood cells play an important role in your bodyâs immune system, searching the blood for invading viruses, bacteria, and fungi. When a foreign virus or bacteria enters your blood, the white blood cell, or leukocyte, recognizes and destroys the invading particle before it can cause disease.