An introduction to the circulatory system and its role in the human body, looking at the heart, blood, and blood vessels, discussing diseases of the circulatory system, and offering advice on how to keep it healthy.
Contains an introduction to pilot whales, in simple text with illustrations, describing their physical characteristics, behavior, habitat, food, and life cycle.
Contains an introduction to minke whales, in simple text with illustrations, describing their physical characteristics, behavior, habitat, food, and life cycle.
Contains an introduction to dwarf sperm whales, in simple text with illustrations, describing their physical characteristics, behavior, habitat, food, and life cycle.
Contains an introduction to bowhead whales, in simple text with illustrations, describing their physical characteristics, behavior, habitat, food, and life cycle.
Presents a study of Baird's Beaked Whales which were named after naturalist Spencer F. Baird, and describes what they look like and where they live, their behaviors and senses, and other interesting facts about the species.
Presents an introduction to Risso's dolphins, in simple text with illustrations, providing information on their physical description, habitat, eating habits, and survival in the wild. Includes glossary.
Presents an introduction to Ganges River dolphins, in simple text with illustrations, providing information on their physical description, habitat, eating habits, and survival in the wild. Includes glossary.
Presents an introduction to Chinese river dolphins, in simple text with illustrations, providing information on their physical description, habitat, eating habits, and survival in the wild. Includes glossary.