In order to lift a book from a table, your _____ must contract; to put the book back down, the _____ must contract.
A) meniscus; bursa
B) biceps; triceps
C) actin filament; myosin filament
D) bursa; meniscus
E) triceps; biceps

Question

Quizplus · Accepted Answer

To lift a book, the biceps muscle contracts to pull the forearm upwards. To lower the book back down, the triceps muscle contracts, extending the arm and lowering the hand and the book it holds.

In Order to Lift a Book from a Table, Your