the human body

1. orgins

1.1. Heart

1.2. Skin

1.3. kidneys

1.4. intestines

2. bones

2.1. Ankle bone

2.2. Finger bone

2.3. Neck bone

2.4. Spine

2.5. Skull

2.6. rotator cuff

3. muscles

3.1. tounge

3.2. triceps

3.3. biceps

3.4. quads

3.5. shoulders

3.6. abs

3.7. back muscle

3.8. chest muscle

4. Tenets

4.1. ACL

4.2. MCL

4.3. Achilles