<human>: What are the different types of amputation?
<bot>: 
1. Transtibial Amputation – This type of amputation is performed at the knee joint and involves cutting through the bone, muscles, tendons, and ligaments below the knee to remove the leg.
2. Transfemoral Amputation – This type of amputation is performed at the hip joint and involves cutting through the bone, muscles, tendons, and ligaments above the knee to remove the leg.