The lungs and respiratory system allow oxygen in the air to be taken into the body, while also enabling the body to get rid of carbon dioxide in the air breathed out. Respiration is the term for the exchange of oxygen from the environment for carbon dioxide from the body's cells.

In this video we give examples of five proven techniques for popping. Viewer discretion is advised as this may not be something that all people want to see. Popping isn't for everyone!

CD4 T-cells (a type of white blood cell) are important to your body's defence against infections. This animation describes how your immune system is weakened by the HIV virus, which targets CD4 T-cells and leads to their gradual decline in number. Low to very low levels of CD4 cells put you at risk for 'opportunistic infections' that take advantage of the body's weakened immune system.

How to perform a lumbar puncture.

This is a breast life surgery. Over the years, factors such as pregnancy, nursing and the force of gravity take their toll on a woman's breasts. As the skin loses its elasticity, the breasts often lose their shape and firmness and begin to sag. Breast lift is a surgical procedure to raise and reshape the breasts (at least for a time). If your breasts are small or have lost volume (for example from pregnancy) breast implants inserted in conjunction with mastopexy can increase both their firmness and their size.

Costo Vertebral Angle tenderness exam from the USMLE collection

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Endotracheal Intubation Sample Animation

USMLE Step 2 CS - Hemetemesis This is just preview video. To get full access please visit our website : www.usmletutoring.com

Female Reproductive System Anatomy

A video showing the process of childbirth via vaginal delivery.

Migraine Pathophysiology 3D Animation

Educational video of male patient receiving an anoscopy.

Examination of Varicose Veins

IV cannulation is a skill that has scared a lot of student nurses and even professionals. Perhaps it’s because IV insertion is an invasive procedure, and nurses are too worried that they might hurt their patients. Or maybe it’s because they are just clueless about IV therapy do’s and don’ts–things that one can only fully understand through constant practice.

childbirth twin baby

This video shows the heart transplant surgery

Horizontal Mattress Pattern Suture

Defecography showing Enterocele

Paracentesis is a procedure to take out fluid that has collected in the belly (peritoneal fluid). This fluid buildup is called ascites . Ascites may be caused by infection, inflammation, an injury, or other conditions, such as cirrhosis or cancer. The fluid is taken out using a long, thin needle put through the belly.