题目内容

When the biceps shortens, the triceps lengthens. Thispartnership exists throughout the muscular system.

A. implementary
B. complementary
C. supplementary
D. commentary

查看答案

搜索结果不匹配？点我反馈

更多问题

attaches via tendons to our bones.

is only found in the heart.

lines the blood vessels and certain organs like the intestine and uterus.

The root for pectorals is.