Animal Organization and Homeostasis
完成条件
按索引浏览词汇表
特殊 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 全部
O
OrganA structure containing different tissues working together to perform particular functions. | |
Organ systemA group of organs working together to perform major body functions. | |
OrganismAn individual living thing. | |