DAFTAR GAMBAR Halaman Gambar 2.1. Sel Darah Putih (Leukosit) ......................................................... 11 Gambar 2.2. Jenis-Jenis Leukosit .................................................................... 13 Gambar 2.3. Kerangka Berpikir....................................................................... 23 Gambar 3.1 Prosedur Penelitian ..................................................................... 27