Page 161 - Buku Lengkap

https://www.dosenpendidikan.co.id/wp-content/uploads/2016/04/sistem-

respirasi.png
https://seputarilmu.com/2020/01/kelenjar-endokrin.html

https://www.guesehat.com/gengs-ketahui-7-fakta-seputar-tiroid

https://www.pelajaran.co.id/2018

https://materi.co.id/kelenjar-adrenal/

http://laboratoriumanaliskesehatan.blogspot.com/2017/
https://rumus.co.id/sistem-hormon-pengertian-fungsi-peran-dan-cara-kerja/

153 |Fisiologi 2