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All terms besides roots.

Cell

Basic unit of life

Cell membrane

forms the boundary of the cell

cytoplasm

gel-like fluid inside the cell (outside the nucleus of cell)

Nucleus

largest structure within the cell, usually spherical and centrally located. Contains chromosomes for cellular reproduction.

Chromosomes

located in the nucleus of the cell. 46 in normal cells except sex cells have 23.

Genes

regions within chromosomes, determine hereditary characteristics

DNA

comprises each gene; genetic material that regulates the activities.

Tissue

group of similar cells that perform a specific function

Muscle tissue

produces movements (contract)

Nervous tissue

conduct impulses controlling and coordinating body activities.

Connective tissue

Connects, supports, penetrates, and encases various body structures. Adipose, osseous, and blood.

Epithelial tissue

major covering of the external surface of the body; membranes major tissue in glands

Organ

Two or more kinds of tissue that together perform special body functions.

System

A group of organs that work together to perform complex functions.

Integumentary System

Composed of skin, nails, and glands. Forms a protective covering for the body, regulates body temperature, and makes Vitamin D.

Respiratory System

Composed of nose, pharynx(throat), larynx(voice box), trachea (windpipe), bronchial tubes and lungs. Performs exchange of oxygen and carbon dioxide within the body.

Urinary System

Composed of kidneys, ureters, bladder, and urethra. Removes waste material(urine) from body, regulates fluid volume, maintains electrolytes.

Reproductive System

Composed of ovaries, uterine tubes, uterus, vagina, and male system is composed of testes, urethra, penis, prostate gland. Responsible for hereditary and reproductive.

Cardiovascular System

composed of heart and blood vessels pumps and transports blood throughout the body

Lymphatic System

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