Heart is made of--- A) Tissue B) Blood C) Muscle D) Veins

答案选【C】
【tissue】细胞组织
【blood】血液
【musle】肌肉
【veins】静脉,血管
心脏是由【心肌】组成,因此选【C】
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选B 心脏是由血液组成的

A) Tissue 纸 B) Blood 血液C) Muscle肌肉 D) Veins 静脉

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The heart is a muscular organ, made of cardiac muscle. The veins, arteries, and blood are associated with the heart, but they are not part of the heart themselves. A is too broad - Not only heart, every organ in your body is made of tissue. Therefore, C is the best answer.

Heart is made of--- A) Tissue B) Blood C) Muscle D) Veins
这句话的意思是 心脏是由什么组成的 A面巾纸 B血液 C 肌肉 D静脉
根据选项B 是最说的通的