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Cells – smallest unit of life Tissue – a collection of cells that work for a common function Organ – a collection of tissues working for common purpose Body system composed of organs working together FOR A COMMON PURPOSE! Take note on the body systems listed on page 6-7 Leave a little space to add information to as the week goes on We’ll look today at most basic organs involved in each system. Includes: Bones and Joints Functions to protect and support body organs Framework for movement! Composed of Muscles – Like this person › Smooth, skeletal, cardiac Move! Produce Heat Lymph vessels Spleen Nodes Disposes of debris, picks up fluid leaked from blood Just Breathe! Lungs! Kidneys Bladder Regulate water, eliminate N Heart Vessels Pumps blood and Circulates nutrients, oxygen, waste Small intestine Large intestine Liver Stomach Break down food to distribute to body cells! Make little ones! › Males: Penis, Testis, Prostrate › Female: Ovaries, Uterus, Mammary glands Hormones! › Hypothalamus › Pituitary › Thyroid › Thymus › Adrenal › Pancreas › Ovaries Testis Brain Spinal Cord Nerves Fast action baby! External body covering Skin, hair, nails Determine which body system they belong to. Figure 1.11a