Human Skull Drawing

1788 × 1350

Study of two heads and hands

1072 × 1455

Anatomical skeleton drawings

1919 × 2728

Anatomical Heart Drawings — Brown

2274 × 2103

Anatomical heart drawings

1200 × 1459

Anatomical study of hands

1951 × 2755

Leonardo da Vinci drawing prompt

1600 × 1000

Leonardo da Vinci's sketches

800 × 600

Horse Anatomy Study — Gray

801 × 1074

Portrait of a Man — Brown, Serious

1600 × 1067

Human Circulatory System — Green

1440 × 900

Human Circulatory System — Gray

1680 × 1050