Identify a specific need for a product. Determine whether the product will meet the needs and be used. Design a solution or product. Communicate ideas with drawings and simple models. All organisms are composed of cells, the fundamental unit of life.
Most organisms are single cells.
Other organisms, including humans, are multi-cellular. Recognize that animals and plants are made of cells. The human organism has systems for respiration and circulation. These systems interact with each other. Label the parts and distinguish among the function of the major organs of the circulatory system, including heart, arteries, veins, capillaries, and blood cells.