Presents an introduction to the human skeletal and muscular systems, explaining how they protect the body and enable it to move, as well as providing information on the different kinds of muscle, connective tissue, and bones.
Explains how the circulatory and respiratory systems work together to perform a vital process called cellular respiration; discusses the functions of blood, including fighting infection and disease; presents a visit to a hospital laboratory and an interview with a doctor; and includes a hands-on activity about lung capacity.
Explores the functions of the brain, spinal cord, and nerves, how the environment stimulates the senses, and how neurons transmit electrical impulses throughout the body.
Describes the parts of a cell, how the various organelles work together to keep a cell functioning,and discusses cell specialization and mitosis; and includes a hands-on demonstration of how a selective membrane works.
Explains how genes determine traits such as eye color and height and how traits are passed from parents to children, discussing chromosomes, DNA, dominant and recessive traits, meiosis, and mutations, and includes an experiment on the DNA of peas.
Presents an overview of how the various systems of the human are interconnected to form one large system, explaining how cells, tissues, and organs each perform their own specialized job.
Provides an introduction to the male and female reproductive and endocrine systems, discussing growth, puberty, sexual maturity, the production of sex cells, and the process of fertilization.