Body Organization (HB Chapter 1) Lesson 1. Directs the cell’s activities and holds information that controls a cell’s function. nucleus.

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Body Organization (HB Chapter 1) Lesson 1

Directs the cell’s activities and holds information that controls a cell’s function. nucleus

Made of clear, jellylike substance that contains many cell structures. cytoplasm

Covers the surface of your body, inside and out. epithelial tissue

Carries electrical messages back and forth between the brain and other parts of the body. nervous tissue

Group of organs that work together carrying out major functions. organ system

Group of similar cells that perform the same function. tissue

Basic unit of structure and function in a living thing. cell

A structure that is made up of different kinds of tissue. organ

Provides support for your body and connects all its parts. connective tissue

Forms the outside border of a cell. cell membrane

Body tissue that contracts, or shortens, making body parts move. muscle tissue