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The World's Fastest Runners: Slowed Down & Up Close http://i.giphy.com/Avbc4NWc4THq0.gif Take a close look at the the fastest man in the world and other runners as they sprint 100 meters. Observe how their muscles, breathing patterns and even facial expressions are all related as they race toward the finish line. This displays how intricate our body systems are and how they work together to perform different body functions.

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Honors Applications Can be found on KMS main website Complete form by Wednesday 2/22 to be considered

Unit 5: Body Systems Add the new notes to your table of contents, and then turn to the next clean page and set up your title and date

Levels of Organization Recall that there are 6 characteristics of living things, we are focusing on two for Unit 5: all living things are made up of cells all living things are organized

Add tissue to your index Tissues are groups of similar types of cells in multicellular organisms that work together to carry out specific tasks Humans, like most other animals, have four main types of tissue: muscle, connective, nervous, and epithelial Add tissue to your index

made up of layers of tightly packed cells that line the surfaces of the body examples of epithelial tissue include the skin, the lining of the mouth and nose, and the lining of the digestive system made up of many different types of cells that are all involved in supporting and binding other tissues of the body examples include tendon, cartilage, and bone. Blood is also classified as a specialized connective tissue made up of bands of cells that contract and allow movement made up of nerve cells that sense stimuli and transmit signals nervous tissue is found in nerves, the spinal cord, and the brain

Add organs and organ systems to your index Organs are groups of different tissues working together to perform a particular job. Organ systems are groups of different organs that work together to complete a series of tasks. Add organs and organ systems to your index

Multicellular organisms usually have many organ systems that work together to carry out all the jobs needed for the survival of the organism.

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Place this tape-in into your notebook and label each level of organization

Systems may interact with other systems Systems may have subsystems and be part of larger complex systems

The Circulatory System includes the heart, blood vessels and blood transports oxygen, hormones and nutrients to the body’s cells moves waste and carbon dioxide away from cells

The Excretory System includes the kidneys and bladder removes water, salts, and waste products from blood and body controls pH controls water and salt balance

The Digestive System includes the stomach, small intestine, and large intestine digests foods absorbs nutrients, minerals, vitamins, and water

The Respiratory System includes the trachea, larynx, pharynx, and lungs brings air to sites where gas exchange can occur between the blood and cells (around the body) or blood and air (in the lungs)

The Muscular System includes cardiac (heart) muscle, skeletal muscle, smooth muscle, and tendons involved in movement and heat production

The Nervous System includes the brain, spinal cord, and nerves collects, transfers, and processes information

The Endocrine System includes all of the glands of the human body produces hormones regulates metabolism, growth and development, sleep and mood

Homeostasis What is the first sign that you may be sick?

Homeostasis The systems in your body work together to maintain homeostasis Homeostasis is the ability to maintain constant internal conditions when outside conditions change

System Interactions Nutrients are processed when the digestive, muscular, and circulatory systems work together. The respiratory, circulatory, muscular, and digestive systems work together and process oxygen and move wastes from the body. The nervous system communicates with the muscular and skeletal systems and coordinates movement and responds to stimuli.