[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-409062-105":3,"detail-sidebar-cat-0-en-105":81,"doc-detail-409062-en":130},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":74,"head_meta":76,"extra_data":78,"updated_unix":80},105,"en","transport-in-the-body-chapter-15-1-how-the-circulatory-system-works","Transport in the Body - Chapter 15-1 How the Circulatory System Works","","The text explains how the circulatory system transports oxygen, nutrients, hormones, heat, and other materials throughout the human body. It describes circulation as the movement of blood through vessels in a closed system, connecting arteries, capillaries, and veins. It also covers removal of waste products like carbon dioxide, immune protection by white blood cells, and the heart’s role in pumping blood. The section on blood transfusions explains why plasma can support longer-lasting transfusions, its compatibility benefits, and its historical development by Charles Drew.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/healthcare/","Healthcare",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/transport-in-the-body-chapter-15-1-how-the-circulatory-system-works/409062/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/transport-in-the-body-chapter-15-1-how-the-circulatory-system-works/409062.png","ImageObject",300,407,{"name":42,"@type":43},"Bintang","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-11-01","2026-09-28",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",8,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"Why does the heart need to adapt to the body’s changing needs?","Question",{"text":63,"@type":64},"During activity, muscle cells require more oxygen than usual. The heart helps meet these changing demands by pumping blood throughout the body.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"What makes the circulatory system a closed circulatory system?",{"text":68,"@type":64},"In a closed system, blood moves through vessels. Arteries connect to veins through capillaries, forming a continuous network of tubes.",{"name":70,"@type":61,"acceptedAnswer":71},"What advantages does plasma offer in blood transfusions?",{"text":72,"@type":64},"Plasma can last longer than whole blood and can be used for transfusions for any blood type, providing practical benefits for patient care.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},409062,1790741636,{"code":4,"msg":82,"data":83},"success",[84,88,92,96,101,106,110,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":85,"show_sort_weight":86,"slug":87},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":89,"show_sort_weight":90,"slug":91},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":93,"show_sort_weight":94,"slug":95},"Exam",70,"exam",{"id":97,"doc_module":4,"doc_module_name":25,"category_name":98,"show_sort_weight":99,"slug":100},5,"Comic",60,"comic",{"id":102,"doc_module":4,"doc_module_name":25,"category_name":103,"show_sort_weight":104,"slug":105},6,"Technology",50,"technology",{"id":107,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":108,"slug":109},7,40,"healthcare",{"id":55,"doc_module":4,"doc_module_name":25,"category_name":111,"show_sort_weight":112,"slug":113},"Research & Report",30,"research-report",{"id":115,"doc_module":4,"doc_module_name":25,"category_name":116,"show_sort_weight":117,"slug":118},9,"Religion & Spirituality",20,"religion-spirituality",{"id":117,"doc_module":4,"doc_module_name":25,"category_name":120,"show_sort_weight":117,"slug":121},"World Cup","world-cup",{"id":123,"doc_module":4,"doc_module_name":25,"category_name":124,"show_sort_weight":123,"slug":125},10,"Lifestyle","lifestyle",{"id":127,"doc_module":4,"doc_module_name":25,"category_name":128,"show_sort_weight":97,"slug":129},19,"General","general",{"code":4,"msg":82,"data":131},{"doc_id":79,"user_id":132,"nickname":42,"user_avatar":133,"doc_module":4,"category_id":107,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":139,"language":140,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":12,"update_tm":144,"read_time":145,"preview_page_count":4},962085564381,"https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","▲ Figure 15-1 The oxygen these swimmers need is  \ntransported through the body by the circulatory system.  \nAll of the cells in the human bodyrequire oxygen and nutrients tofunction.These materials need to betransported to the cells.Waste productsfrom the cells have to be taken away.During activity such as swimming,muscle cells require more oxygen thanusual.Oxygen is transported by blood,which is pumped throughout the bodyby the heart.  \n▶Why do you think it is important forthe heart to be able to adapt to thechanging needs of the body?  \n15-1 What is the circulatory system?  \n15-2 What are the parts of the heart?  \n15-3 What are blood vessels?  \n15-4 What is blood?  \n■ Lab Activity:Observing Blood Cells  \n15-5 What happens to blood as it circulates?  \n15-6 What is heart disease?  \n■ The Big Idea:How is technology used  \nto treat cardiovascular disease?  \nobjectwve  \nDescribe the circulatory system and its functions.  \n# Key Terms\n\ncirculation:movement of blood through the bodyclosed circulatory system:organ system inwhich blood moves through vessels  \nhormone(HAWR-mohn):chemical substancethat regulates body functions  \nCirculation Most large cities have a complexnetwork of railroads,highways,and subways.This transport system is necessary for people to getaround and for materials to go into and out of thecity.Your body also has a transport system.It isyour circulatory system.The circulatory systemtransports,or moves,blood throughout the body.The movement of blood through the body is calledcirculation.  \n## ①DEFINE:What is circulation?\n\nThe Circulatory System Your circulatorysystem is made up of your heart,blood vessels,and blood.The blood vessels form a closedcirculatory system.All vertebrates,including fish,birds,and humans,have a closed circulatorysystem.In a closed circulatory system,the bloodmoves through blood vessels.The arteries areconnected to the veins by capillaries.The arteries,veins,and capillaries form a large network of tubesthat form a continuous closed system.  \n## LIST:What makes up your circulatory system?\n\nJobs of the Circulatory System The main jobof the circulatory system is to transport variousmaterials.However,the circulatory system hasmany other jobs as well.  \n● Transport of Food and Oxygen The circulatorysystem transports nutrients from the smallintestines to the cells of the body.It alsodelivers oxygen from the lungs to the cells ofyour body.A compound called hemoglobin inred blood cells carries the oxygen.  \n# What is the circulatory system?\n\n● Transport of Wastes The circulatory systemcarries away wastes and byproducts of cellularprocesses.One important byproduct is carbondioxide.  \n·Protection Another job of the circulatorysystem is protection.Certain cells in yourblood called white blood cells defend yourbody against invading microorganisms.Thishelps the body fight disease.  \n·Transport of Hormones The circulatory systemcarries chemicals called hormones.Hormonescarry chemical\"messages\"from one part ofyour body to another part of your body.  \n·Regulation The circulatory system helpsregulate your body temperature.Blooddistributes heat evenly around your body.Thisis important for all warm-blooded animals,including humans.  \nVeins  \nArteries  \n▲Figure 15-2 The circulatory system transportsmaterials throughout the body.  \nLIST:What are some jobs of the circulatorysystem?  \n1.The circulatory system_        bloodand oxygen to all parts of the body.  \n2.Arteries,veins,and capillaries form a    circulatory system.  \n3.Carbon dioxide is a      that isremoved from the body by blood.  \n4.Chemical “messengers”that are carried in theblood are called_         \n5.The job of        blood cells is to fightdisease.  \n6.INFER:Why is the human circulatory systemcalled a closed system?  \n7.RELATE:How is the circulatory system like anetwork of highways?  \n# How Do They Know That?BLOOD TRANSFUSIONS\n\nOne of the most important parts of the circulatory system isblood.Blood transports all of the nutrients needed by thebody ","cbCairKui904V0FM","https://ap.wps.com/l/cbCairKui904V0FM","pdf",11497772,21,"English","# Key Terms\n# What is the circulatory system?\n## ①DEFINE:What is circulation?\n## LIST:What makes up your circulatory system?\n## LIST:What are some jobs of the circulatory system?\n# How Do They Know That? BLOOD TRANSFUSIONS\n# Thinking Critically\n## What are the advantages of using plasma in blood transfusions?\n# Web InfoSearch\n## Artificial Hearts\n# 15-2 objectives\n## Describe the heart\n## Explain how blood moves through the heart\n# Key Terms\n## atrium\n## ventricle","[{\"question\":\"Why does the heart need to adapt to the body’s changing needs?\",\"answer\":\"During activity, muscle cells require more oxygen than usual. The heart helps meet these changing demands by pumping blood throughout the body.\"},{\"question\":\"What makes the circulatory system a closed circulatory system?\",\"answer\":\"In a closed system, blood moves through vessels. Arteries connect to veins through capillaries, forming a continuous network of tubes.\"},{\"question\":\"What advantages does plasma offer in blood transfusions?\",\"answer\":\"Plasma can last longer than whole blood and can be used for transfusions for any blood type, providing practical benefits for patient care.\"}]","Transport in the Body - Chapter 15-1 How the Circulatory System Works | PDF",1790581234,53]