marrow 3. What is erythropoiesis? Which factors speed up and slow down erythropoiesis? Erythropoiesis is the process by which red blood cells (erythrocytes) are produced. If you lose a lot of blood‚ erythropoiesis will speed up; anemia can cause erythropoiesis to slow down. 4. Explain what would happen if a person with type B blood were given a transfusion of type O blood. Nothing type B can receive type O 5. What is the name and function of each WBC? a. WBC has a round nucleus surrounded by a
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ESPECIALLY THICK IN ELASTIC ARTERIES‚ CONTAINS SMOOTH MUSCLE AND ELASTIN 4 CHARACTERISTICS OF TUNICA EXTERNA MOST SUPERFICIAL TUNIC‚ HAS A SMOOTH SURFACE TO DECREASE RESISTANCE TO BLOOD FLOW 5 WHY ARE VALVES PRESENT IN VEINS BUT NOT IN ARTERIES? Veins need valves to create pressure to pump the blood to the heart. Blood flows away from the heart and‚ therefore‚ the pressure is not required. Helps against gravity. 6 NAME TWO EVENTS OCCURING WITHIN THE BODY THAT AID IN VENOUS RETURN. 1. Respiratory
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Journey of a Red Blood Cell The Circulatory System is the main transportation for the body‚ made up of blood vessels‚ the blood and the heart. The blood is comprised of the red blood cells‚ white blood cells (lymphocytes and phagocytes which make up part of the immune system‚ engulfing invading pathogens)‚ platelets which help the blood to clot preventing infection all transported around the vessels amongst the plasma. The blood plasma contains dissolved substances including carbon dioxide‚ urea
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with its meaning. Answers may be used more than once. __d___ 1. xanth a. extremities __a__ 2. acr b. blue __c__ 3. onych c. nail __e__ 4. cutane d. yellow __b__ 5. cyan e. skin __i__ 6. myc f. red __h__ 7. melan g. white __e__ 8. dermat h. black __f__ 9. erythr i. fungus __e__ 10. derm __g__ 11. leuk Exercise B. Match the suffix or prefix with its meaning. Answers may be used more than once. __a__ 1. -ous a. pertaining to __b__ 2. epi- b
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processes in the body. For each process indicate whether the adrenaline causes an increase or a decrease. Place a tick ( ) in the correct box. One box has been done for you. Process Breathing rate Depth of breathing Heart rate Flow of blood to skeletal muscle Flow of blood to digestive system Conversion of glycogen to glucose Pupil size (3) (b) Explain the advantage to an organism of the increase in heart rate caused by adrenaline.
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is higher in potato cells‚ the cytoplasm of the cell is hypertonic. The water molecule will flow from higher concentration to lower concentration‚ so that they get out of potato cells through osmosis. The plasma membrane of plant cell will collapse as the water inside the cell become less and less‚ that cause plasmolysis and the cell become flaccid. 2. A salt water fish may die if placed in fresh water. Why? In order to keep an isotonic condition‚ the salt water fish’s cells have the same concentration
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The Blood/Circulatory System Anatomy & Physiology I March 18‚ 2013 The blood system is part of the circulatory system. I am going to be focusing on the blood and the diseases which affect the blood. The blood‚ heart and blood vessels form the cardiovascular system which links the body’s internal and external environments together‚ by transporting substances between the two. Blood is a type of connective tissue that carries nutrients‚ oxygen and wastes through the body. Blood cells are formed
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PATRICIA BIANCA C. BALAGA 2B-MT BLOOD AND ITS COMPONENTS Physical Characteristics of Blood * Thicker (more viscous) than water and flows more slowly than water * Temperature of 100.4 degrees F * pH 7.4 (7.35-7.45) * 8 % of total body weight * Blood volume * 5 to 6 liters in average male * 4 to 5 liters in average female FUNCTIONS OF BLOOD * Transportation * O2‚ CO2‚ metabolic wastes‚ nutrients‚ heat & hormones * Regulation
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lens to produce magnified images that are too small to seen by unaided eye. Microscope provides the enlarged view that helps in examining and analyzing the image. Through the use of microscope ‚ knowledge of cell structure was gained and one of the fundamental theories of biology‚ the Cell Theory was developed. The function of any microscope is to enhance resolution. The microscope is used to create an enlarged view of an object such that we can observe details not otherwise possible with
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the four main components of blood. The four main components of blood are Red blood cells‚ White blood cells‚ Platelet and Plasma. The red blood cells contain hemoglobin‚ a protein that binds oxygen. Red blood cells transport oxygen to‚ and remove carbon dioxide from‚ body tissues. The white blood cells fight infection. One type of infection-fighting white blood cells fight disease by producing antibodies and thus destroying foreign materia. The platelets help the blood to clot‚ if you get a wound
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