Levels of Organization

Match the word with its definition tissue group of similar cells doing the same job organ structure made of different tissues working together organ system group of organs working together to perform jobs cell smallest, basic unit in all living things What goes in the box? organ tissue organ system Use this picture to answer the next 4 questions.1. Which box shows the tissue level of organization? P Q R 2. Which box shows the organ level of organization? P Q R 3. Which box shows the simplest level of organization? P Q R 4. Which box shows an organ system? Q R S The table below shows 4 levels of organization within the human body.What is the correct order from the lowest to the highest organizational level? cell → circulatory system → heart → heart tissue cell → heart tissue → heart → circulatory system circulatory system → cell → heart → heart tissue Which diagram represents the lowest level of organization within an organism? Match the type of tissue with its description. Muscle Tissue contracts, making body parts move Nervous Tissue carries electrical messages to & from the brain & body Connective Tissue provides support for the body & connects its parts Epithelial Tissue covers the interior & exterior surfaces of the body Match each body system with its function. Digestive System Breaks food down to be absorbed into the blood Immune System Defends body against harmful toxins & microorganisms Respiratory System Brings in oxygen & gets rid of carbon dioxide Circulatory System Heart pumps blood that carries nutrients & oxygen to cells; & carries wastes & carbon dioxide away Sort the organs. Match the major organs to their appropriate body system. Respiratory System Lungs Trachea Diaphragm Circulatory System Heart Veins Arteries Digestive System Stomach Small Intestine Large Intestine Immune System Spleen Bone Marrow Lymphatic System