A.嬰幼兒皮膚毛細(xì)血管網(wǎng)稀疏,皮膚表面積相對(duì)較大,神經(jīng)系統(tǒng)對(duì)體溫的調(diào)節(jié)不穩(wěn)定
B.嬰幼兒皮膚毛細(xì)血管網(wǎng)稀疏,皮膚表面積相對(duì)較小,神經(jīng)系統(tǒng)對(duì)體溫的調(diào)節(jié)不穩(wěn)定
C.嬰幼兒皮膚毛細(xì)血管網(wǎng)密,皮膚表面積相對(duì)較小,神經(jīng)系統(tǒng)對(duì)體溫的調(diào)節(jié)不穩(wěn)定
D.嬰幼兒皮膚毛細(xì)血管網(wǎng)密,皮膚表面積相對(duì)較大,神經(jīng)系統(tǒng)對(duì)體溫的調(diào)節(jié)不穩(wěn)定