Muscle cells are referred to as muscle _______ because of their unusual _______.

Muscle contraction works through the process of a ______ of two kinds of muscle filaments past each other within a muscle unit known as a______.

In this process, relatively thick _______ filaments pull relatively thin _______ filaments toward the center of the _______.

The three elements of the skeletal system are_______, _______, and _______.

Name two functions of bone other than support.

The primary component of the integumentary system is an organ called ________, which is composed of two primary layers, an outer layer called the ________ and an inner layer called the

Fat exists in the human body in two primary locations. First there is subcutaneous fat, which can be thought of as a layer of fat located _______; second there is visceral fat, which is fat that surrounds _______ deep within the _______.

Each hair that we have grows out of a tissue complex called a _______.

Going from least inclusive to most inclusive, how would the following levels of organization be ordered in a human being: organ system, cell, tissue, organ?

What are the four basic tissue types in a human being?

_______tissue is specialized in its ability to contract, while _______ tissue is specialized in its ability to conduct electrical impulses.