Essential Question: How do major organ systems work together in living organisms? GSES7L2b: Develop and use a conceptual model of how cells are organized into tissues, tissues into organs, organs into systems, and systems into organisms. GSES7L2c: Construct an argument that systems of the body interasct with one another to carry out life processes. Instructional Approach(s): Teacher reviews the essential question and the standards that align to the essential question
The Urinary System Transition slide to next system
Synonyms: Eject, Remove, Expel, Pass What does excreted mean? The Urinary System Role: Our urinary system produces, stores and eliminates urine, the fluid waste excreted by the kidneys Instructional Approach(s): The teacher should present the information on the slide while the students record the role of the Urinary System on their graphic organizer sheet. Ask students what “excreted” means. When ready click the mouse to reveal synonyms for the word Synonyms: Eject, Remove, Expel, Pass What does excreted mean?
Parts of the Urinary System Kidney Ureters Bladder Instructional Approach(s): The teacher should present the information on the slide while the students label the parts of the Urinary System on their graphic organizer sheet Urethra
Kidneys Act as filters for your body to clean waste from the blood and remove urea [a waste product formed by the breakdown of proteins] Instructional Approach(s): The teacher should present the information on the slide while the students record important information about the Kidneys on their graphic organizer sheet. You may want to get a coffee filter and demonstrate what filter means
A set of tubes connecting the kidneys to the bladder Ureters A set of tubes connecting the kidneys to the bladder Instructional Approach(s): The teacher should present the information on the slide while the students record important information about the Ureters on their graphic organizer sheet.
Bladder A hollow muscular organ shaped like a balloon, that stores urine until you are ready to empty it. The bladder can hold up to 16 ounces (almost half a liter) of urine comfortably for 2 to 5 hours. Instructional Approach(s): The teacher should present the information on the slide while the students record important information about the Bladder on their graphic organizer sheet.
A tube that connects the bladder to the outside of the body Urethra A tube that connects the bladder to the outside of the body Instructional Approach(s): The teacher should present the information on the slide while the students record important information about the Urethra on their graphic organizer sheet.
Urinary System Video Clip http://bcove.me/0n6bc6vq [only first 3-4 mins]
The role of the Excretory System is to remove wastes from the body. Instructional Approach(s): The teacher should present the information on the slide while the students record the role of the Excretory System on their graphic organizer sheet.
Organs that Excrete Waste What it Excretes Lungs Carbon Dioxide Kidney/Bladder Urine Large Intestine Feces (food waste) Skin Excess water/Salt Instructional Approach(s): The teacher should present the information in the slide while the students record the information on their own chart on the graphic organizer sheet
Skin Our Body sweats to maintain temperature You may have noticed you sweat more in places like your feet, your hands or your forehead This is because you have more sweat glands in those areas Instructional Approach(s): The teacher should present the information on the slide
Write it Down On a scratch sheet of paper write a brief statement explaining how this trash truck is similar to the organs in your excretory system and how it is different. Instructional Approach(s): The teacher may want to use the “write it down” as a formative assessment to determine student mastery of the Excretory System