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Download Grade 10 Academic Science – Biology
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Grade 10 Academic Science – Biology Human Systems – Diagrams Label the parts of the human digestive system Part Function Anus Opening at the end of the digestive system from which feces exit the body Appendix Small sac located near the start of the intestine – may be needed for fighting off bacteria – function debatable Duodenum Opening between stomach and small intestine – controls food flow Esophagus Long tube connecting the mouth and the stomach. It uses rhythmic muscle movements (called peristalsis) to force food from the throat into the stomach. Gall Bladder Small, sac-like organ located by the duodenum. It stores and releases bile (a digestive chemical which is produced in the liver) into the small intestine Large Intestine Long tube for water reabsorption Liver Large organ that filters toxins from the blood, makes bile (which breaks down fats) and produces some blood proteins Mouth First part of the digestive system -- food enters the body. Chewing and salivary enzymes in the mouth are the beginning of the digestive process (Mechanical Digestion) Pancreas Enzyme-producing gland located below the stomach and above the intestines. Enzymes from the pancreas help in the digestion of carbohydrates, fats and proteins in the small intestine Rectum Feces are stored (lower part of large intestine) for future excretion Salivary Glands Produce saliva to help in mechanical digestion and peristalsis Small intestine Very long thin tube where nutrients are digested Stomach Muscular sac-like organ that churns food in an acid bath to make particles smaller (Chemical Digestion) AND water is added A _______________________________ M B _______________________________ C _______________________________ D _______________________________ E _______________________________ F _______________________________ G _______________________________ H _______________________________ I ________________________________ J ________________________________ K ________________________________ L ________________________________ M ________________________________ Label the part of the human respiratory system Part Function Alveoli Gas exchange Bronchiole Two branches that connect trachea to lungs Diaphragm Muscle to help contract and expand the lungs forcing air out and in Larynx (1) passageway for air, (2) valve to close off the air passage from the digestive one (the epiglottis) like a hinged trap door, and (3) voice box Left Bronchus Entrance to lung – sharper bend due to location of heart Lung Primary organ of respiration (gas exchange) Mouth Secondary site of air entrance and exit Nose Smelling, tasting, filtering, initial warming of air Pharynx Tube shared with digestive system Right Bronchus Entrance to lung Trachea Connection from nose and mouth to lungs 1 ________________________ 2 ________________________ 3 ________________________ 4 ________________________ 5 ________________________ 6 ________________________ 7 ________________________ 8 ________________________ 9 ________________________ 10 _______________________ 11 _______________________ Label the parts of the heart 1 _______________________ 2 _______________________ 3 _______________________ 4 _______________________ 5 _______________________ 6 _______________________ 7 _______________________ 8 _______________________ 9 _______________________ 10 ______________________ 11 ______________________ 12 ______________________ 13 ______________________ 14 ______________________ 15 ______________________ Part Function Aorta Main artery Aortic Valve Control blood flow to aorta Interior Vena Cava Vein carrying blood from lower body Left Atrium Blood from lungs enters heart Left Ventricle Pump blood to the body Mitral Valve Controls blood flow between left atrium and left ventricle Pulmonary Artery Artery carrying blood to lungs Pulmonary Valve Controls blood flow into pulmonary artery Pulmonary Vein (Left and Right) Veins carry blood from lungs Right Atrium Blood from body enters heart Right Ventricle Pump blood to lungs Superior Vena Cava Vein carrying blood from upper body Tricuspid Valve Controls blood flow between right artrium and right ventricle
