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Two Technicians Are Discussing Lifting Heavy Items

question 43

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Two technicians are discussing lifting heavy items. Technician A says that you should always keep your back bent while lifting. Technician B says that most of your lifting ability comes from your lower back. Who is correct?


Definitions:

Spermatogenesis

The process by which sperm cells are produced in male gonads, involving both mitosis and meiosis, resulting in haploid sperm from diploid cells.

Blastomere

A type of cell produced by the division of the egg after fertilization, contributing to the formation of the embryo.

Blastodisc

A small disc of cytoplasm at the animal pole of a reptile or bird egg; cleavage is restricted to the blastodisc (meroblastic

Blastula

An early stage of embryonic development in animals, characterized by a hollow sphere of cells.

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