1. Why do we need a cardiovascular system? Because we need to get oxygen through our system. 2. Make sure you know which circuits the left and right heart pump into (pulmonary or systemic). Also know the status of blood (fully oxygenated or not) at -the aorta: Left‚systematic‚ and fully oxygenated. -a pulmonary vein: Left side‚ pulmonary‚ and fully oxygenated. Goes from the right side of the body(heart) into the (left) pulmonary veins then goes to the left atrium then to the left ventricle then
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Introduction: The cardiovascular system has multiple components that work to ensure an enough oxygen is supplied to the muscles‚ both at rest and during exercise. The objective of this laboratory session was to measure‚ and compare how the cardiovascular system responds to dynamic and isometric exercise. The research question for this lab was “What is the effect of different exercise modalities on the cardiovascular system?”. In response to this research question‚ the following hypothesis was formed
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1 BIOC33/CC4 Cardiovascular System (Lectures 1-4) Study Guide (2015) Lecture 1: Electrical Conduction within the Heart Topics The Conduction System of the Heart Pacemaker Potential Sample Questions 1. What is the pathway of electrical conduction in the heart? 2. Which changes in ionic conductance (permeability) accompany the various phases of the pacemaker potential? 3. 1. 2. 4. a) In zone 1‚ a decrease in PK and an increase in PNa: In zone 2‚ an increase in PCa b) In zone 1‚ a decrease in PK
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breathing? If so‚ how? The pH did not change during the normal breathing. 5. Was the pH level always within the “normal” range for the human body? Yes it was. 6. Did the PCO2 level change during the course of normal breathing? If so‚ how? No it did not change either. Activity 2a: Hyperventilation – Run 1 1. At 20 seconds‚ pH = 7.48 2. At 40 seconds‚ pH = 7.52 3. At 60 seconds‚ pH = 7.65 4. Maximum pH = 7.65 5. Did the pH level of the blood change at all during this run? If so‚ how?
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Cardiovascular System: Intrinsic Conduction System 1. The intrinsic conduction system consists of __autorhythmic____ __cardiac__ cells that initiate and distribute __impulses_____ throughout the heart. 2. The intrinsic conduction system coordinates heart activity by determining the direction and speed of ____heart depolarization____. This leads to a coordinated heart contraction. 3. List the functions for the following parts of the intrinsic conduction system: a. SA node _sets the pace for the
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WEEK8 EXERCISE 3 INTERVIEW AND JOURNEY MAP INTERVIEW Transcripts This interviewee was my international English school friends‚ she was a really shy girl and she don’t like to talk to strange people in the pass‚ and its been three years‚ I notices that she has a huge change‚ she is happy‚ and doesn’t feels isolation from people anymore‚ and I choose to ask her some questions about her daily activities when she was feels isolations‚ and then ask some question about how she changed her personality
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The cardiovascular system plays a vital role in circulating blood throughout the body to maintain human life. The system consists of a heart and blood vessels that help delivers blood containing oxygen and nutrients to the body organs and tissues for function. The heart is a muscular body organ located on the left side of a human chest. The heart has four chambers are known as the right atrium‚ right ventricle‚ left atrium and the left ventricle. Blood travels through the four chambers by the heart
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6 Histology Review Supplement Cardiovascular Tissue Review From the PhysioEx main menu‚ select Histology Atlas. Click on the white Sort By drop-down menu and select Histology Review from the list. Refer to the slides in the Cardiovascular Tissue Slides folder as you complete this worksheet. Which component of the intercalated disc is a junction that provides the intercellular communication required for the myocardium to perform as a functional syncytium? Gap junctions Heart The heart
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BIOS 255 WEEK 5 Lab 5 - Lymphatic System & Disease Resistance 1. Describe lymphatic system functions. The primary functions of the lymphatic system are to drain and return interstitial fluid to the blood to absorb and return lipids from the digestive system to the blood‚ and to filter fluid of pathogens‚ damaged cells‚ cellular‚ and cancerous cells to help protect against invasion. 2. Locate each of the following lymphatic vessels: right lymphatic duct‚ thoracic (left
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II. BENEFITS OF EXERCISE About 100 B.C.‚ Cicero observed that “exercise and temperance can preserve something of our strength in old age.” Aristotle stressed the need for exercise to maintain “a healthy mind in a healthy body.” In the Misneh Torah‚ the twelfth century Jewish scholar and physician‚ Rabbi Moses Maimonides‚ strongly recommended daily exercise and warned that “anyone who sits around idle and takes no exercise will be subject to physical discomforts and failing strength.” Early in
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