Structure and Life Processes in Animals

• What are your body's organ systems and how do they perform specialized functions?

• How does skeletal muscle work?

• What is an action potential and how is it generated?

• What are the main anatomical structures of the brain and what are their functions?

• Which receptor cells are responsible for activating the senses of sight, hearing, smell, taste, touch and balance?

• How does blood flow through the human circulatory system?

• What is the role of T cells in cell-mediated immunity?

• What adaptations have evolved to enable animals to meet their cellular oxygen demands?

• What really happens to food as it travels through the digestive tract?

• How do hormones affect kidney function?

• How do hormones affect the activity of cells?

• How does human reproduction work?

• How does a microscopic, unicellular zygote give rise to a complex animal?

• What are the mechanisms underlying some animal behaviors?

• How do changes in extracellular potassium ion concentrations affect nerve cells and their function?