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Semester 1, Day 11. Digestive and Urinary Systems. Agenda. Review for Circulatory and Respiratory Quiz Turn in Homework Take Quiz Lecture on Digestive and Urinary Systems Work/Reading Time. Review for Quiz. Relationship between circulatory and respiratory systems Label the heart diagram
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Semester 1, Day 11 Digestive and Urinary Systems
Agenda • Review for Circulatory and Respiratory Quiz • Turn in Homework • Take Quiz • Lecture on Digestive and Urinary Systems • Work/Reading Time
Review for Quiz • Relationship between circulatory and respiratory systems • Label the heart diagram • Draw movement of blood on a heart diagram • Definitions for circulatory system: • Artery, Atrium, Blood, Blood Vessels, Capillaries, Heart, Plasma, Platelets, Red Blood Cells, Valve, Vein, Ventricle,White Blood Cells • Which side of the heart is oxygenated? How can you tell from the movement of blood? • Definitions for respiratory system: • Alveoli, Bronchus, Diaphragm, Epiglottis, Larynx, Lungs, Nasal Cavity, Trachea • Label a diagram of the respiratory system • Understand how the diaphragm functions Septum
Homework Turn In • Sections 37.1 and 37.2 • Questions: • 37.1 #1, 2, 4, 5 • 37.2 #1-5
Quiz on Circulatory and Respiratory System • Correction on Question 4 • Take quiz silently • Eyes on your own paper • When finished, flip over
Digestive & Urinary • Digestive System: breaks down food mechanically and chemically for nutrients. Solid Waste • Urinary System: cleans, balances chemicals & regulates water for blood. Liquid Waste.
Digestive System • The Mouth • Teeth: crush food (mechanical) • Salivary Glands: Secrete saliva • Digestive enzyme called amylasebreaks down sugars (chemical) • Tongue: Pushes food
Digestive System • Epiglottis: prevents food from entering resp. system • Pharynx: between mouth & esophagus (throat) • Esophagus: muscular tube stomach
Digestive System • Stomach: • Muscles that mechanically break down food • Acidic gastric juice breaks food down chemically
Digestive System • Stomach Small Intestine • Small Intestine: 20 ft long, narrow muscular tube. Nutrients from food blood. • Liver: bile for SI that breaks down fats • Gallbladder: stores bile until it enters the SI • Pancreas: produces insulin for SI, which regulates blood sugar
Digestive System • Small Intestine Large Intestine (Colon) • Large Intestine • Colon: absorbs water from indigestible food • Rectum: storage site for feces • Anus: exit for feces • Appendix: a vestigial structure human no longer need
Urinary System • Kidneys: filter blood to remove waste (urine) • Aorta: blood from heart kidney • Inferior Vena Cava: blood from kidney heart • Renal Artery: blood from aorta kidney • Renal Vein: blood from kidney IVC • Ureter: urine from kidney bladder • Urinary Bladder: holds urine • Urethra: moves urine out of body
Urinary System • Kidney • Renal Artery: unclean blood to kidney • Renal Vein: clean blood away from kidney • Renal Medulla: regulates water & salt in blood • Renal Cortex: filters blood • Renal Pelvis: collects urine as blood is cleaned • Ureter: carries urine to bladder
Homeostasis • How are these four systems connected? • Cellular Respiration: • C6H12O6 + O2 CO2 + H2O + ATP • Glucose + oxygen carbon dioxide + water + energy • Digestion breaks down glucose enters blood to go to cells • Oxygen obtained by lungs enters blood to go to cells • Cells use glucose & O2 to create ATP, CO2 and H2O • Carbon dioxide picked up by blood released from lungs • Water & waste removed from blood by urinary system • Homeostasis: all organ systems work to keep body conditions balanced (water, energy, waste, temperature)
Reading/Work Time • Cornell Notes Section 35.1 and 37.3 • Read 35.2 • Questions: • 35.1 #1-4 • 35.2 #1-4 • 37.3 #1-4 • Chapter 35 Assessment #1-3, 7, 8, 10-14 • Chapter 37 Assessment #4-6,13, 25