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Transcript
PHASE III TEST: Wednesday, May 18th 5-17-10 DSQ 65A Correct CH & Collect Clean out notes OBJ How the respiratory system cleans the air before it reaches the lungs Understand Organs=tissues=cells What are the parts of a cell Phase III Vocabulary Cells- The tinniest part of the body structure. They come in all shapes & sizes Fission- The division of a cell into two new cells Cilia-Hair like structures that beat back and forth like the sweeping motion of a broom Tissues- Make up organs Diaphragm- The powerful breathing muscle located under the lungs Chromosomes- ‘Blue prints’ which pass on traits Mitochondria- Generate energy for the cells use Cell Membrane- Forms a wall that holds a cell together Mitosis- The division of the nucleus Cytoplasm-The substance that surrounds the nucleus and other parts of the cells Phase III Vocabulary (cont) Nucleus- Contains the chromosomes, and direct the cells activities Goblet Cells- These cells are responsible for producing mucus Cough/Sneeze- What we do when food tries to enter the Respiratory System Lungs When a baby is born their lungs are pink Our lungs get dirtier through life Pollutants & dust & dirt particles How Our Air is Cleaned Curve in the throat (pharynx) Traps dirt in the nasal passage (nose hairs) Goblet Cells (mucus) Cilia (hairs in the trachea) Coughing & Sneezing (100 mph) 5-18-10 DSQ 65B REVIEW Phase III Vocabulary How lungs are cleaned OBJ Things needed for life Organs, Tissues, & cells Mitosis & Fission Needed for Life 3 Things needed for cells to stay alive Water (H O) Oxygen (O ) Food 2 2 Organs & Tissues Organs are made of? Different kinds of tissue: nerve, muscle & connective Tissues are made of? Each tissue is made up of its own kind of cells Cells Are tinniest part of the body structure All tissues are made of cells Cells are different sizes, kinds, and shapes The shape of the cell has to do with its function Types of Cells Cell Parts 5-19-10 DSQ 66A REVIEW Vocabulary 5 Cleaning Mechanisms Organs & Tissues Cells OBJ To understand Fission & Mitosis To understand Cell Growth To recall the steps of the breathing process To understand life Mitosis & Fission Mitosis-is the division of the nucleus Fission- is the division of a cell into 2 new cells Cell Growth & Development The Steps in the Breathing Process Nose & Mouth---Nasal Passage or Oral Cavity Throat---Pharynx Voice Box---Larynx Trachea---Windpipe (cilia help clean the air) Bronchi---2 small pipes off the trachea Bronchial Tubes---tubes throughout the lungs Alveoli---tiny air sacs that perform the main work of the lungs Blood from the lungs is oxygenated---turns red Cells are brought oxygen---cells get oxygen from the blood The Breakdown of Life The human body contains 100 trillion cells Inside each cell there is a nucleus Nucleus The Breakdown of Life Each nucleus contains 46 chromosomes, arranged in 23 pairs xy xy One chromosome of every pair is from each parent Mom & Dad The Breakdown of Life The chromosomes are filled w/tightly coiled strands of DNA Genes are segments of DNA that contain instructions to make proteins-the building blocks of life 5-24-10 DSQ 66B-Quiz Questions REVIEW Vocabulary 5 Ways Air Cleans itself Cells (parts) OBJ Smoking and how it effects the respiratory System Trundle Wheel for measurement Smoking and the Respiratory System Cigarette smoke paralyzes, stops, slows down the cilia Nicotine narrows the blood vessels and makes the heart pump faster Carbon monoxide acts like a ‘thief’, because it steals the place of oxygen