[048] Epidermal cell turnover (GB#117A02)
● Forefront to protect the body It is said that 60% of the b …
biological defence (3)
[045] Arteriovenous anastomoses in skin (GB#103B05)
● The heart is warm in people with cold hands When I was a c …
[030] Endocytosis and intracellular digestion (GB#101G02)
● Bulky objects wrapped and swallowed While cells are alive, …
