การสืบพันธุ์และการเจริญเติบโตของมนุษย์ (เสริมความเข้าใจ)

Teaching video to enhance understanding of human reproduction and growth. Post-lesson questions: https://ipst.me/ots-bio-m6b5-001 This video explains reproduction, from the process of male reproductive cell formation (spermatogenesis) to female reproductive cell formation (oogenesis), including fertilization and zygote formation. It also explains human development, from embryo development to fetus development, to complement Chapter 21: Reproductive System, in the supplementary science and technology textbook, Biology, Mathayom 6, Volume 5, published by IPST.