In this learning activity you'll review the structure and function of the different tissues of the human body.

In this colorful, interactive object, learners examine nervous and epithelial tissue composition and function. A quiz completes the activity.

In this colorful and interactive object, learners examine the structure and function of muscle and connective tissues. A quiz completes the activity.

Learners examine the structure and function of skin including the production of melanin.

This animated object illustrates the events leading to the migration of phagocytes into areas of tissue damage and/or bacterial presence. Learners view bacterial cell phagocytosis, its subsequent enzymatic digestion, and exocytosis.

In this animated object, learners examine the various connective tissue layers of the muscle organ. The terms "prime mover," "synergist," "antagonist," "origin," and "insertion" are defined.

Learners examine OSHA's guidelines of what to include in a bloodborne pathogen exposure control plan for persons who work in general industry, health care, emergency medical services, law enforcement, education, recreation industries, or other occupations in which there is a potential for exposure to blood, blood products, bodily fluids, or human tissues.

In this animated object, learners examine the mechanisms for gas exchange among the lungs, blood, and tissues.