Smooth, Skeletal, And Cardiac Muscles

Smooth, Skeletal, And Cardiac Muscles

The muscular system consists of all the muscles of the body. Muscles are organs composed mainly of muscle cells, which are also called muscle fibers. Each muscle fiber is a very long, thin cell that can do something no other cell can do. It can contract, or shorten.

CK-12 (High School)

ESSENTIAL QUESTION:

STANDARDS:
RST.1 - Analysis & Evidence, RST.4 - Key Terms, HS-LS1-2 - Hierarchical Organization

DEPTH OF KNOWLEDGE (DOK) LEVELS:

1,3,2
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