首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Blood is vital to maintaining a stable body temperature; in humans, body temperature normally fluctuates within a degree of 37.0
Blood is vital to maintaining a stable body temperature; in humans, body temperature normally fluctuates within a degree of 37.0
admin
2013-04-08
85
问题
Blood is vital to maintaining a stable body temperature; in humans, body temperature normally fluctuates within a degree of 37.0℃. Heat production and heat【B1】______in various parts of the body are balanced out by heat transfer【B2】______tile bloodstream. This is accomplished by varying the【B3】______of blood vessels in the skin. When a person becomes【B4】______, the vessels dilate(膨胀)and an increased volume of blood flows through the skin. Heat dissipates(消散)through the skin, effectively【B5】______the body temperature. The increased flow of blood in the skin makes the skin appear【B6】______or flushed. When a person is cold, the skin may become pale as the【B7】______narrow, diverting blood from the skin and reducing heat loss.
About 55 percent of the blood is【B8】______of a liquid known as plasma(血浆).【B9】______: red blood cells, white blood cells, and platelets.
Blood, vital fluid found in humans and other animals that provides important nourishment to all body organs and tissues and carries away waste materials. Sometimes referred to as "the river of life,"【B10】______
An adult human has about 5 to 6 liters of blood, which is roughly 7 to 8 percent of total body weight.【B11】______.The volume of blood in an individual fluctuates.
【B11】
选项
答案
Infants and children have comparably lower volumes of blood, roughly proportion- ate to their smaller size
解析
转载请注明原文地址:https://kaotiyun.com/show/x8r7777K
0
大学英语四级
相关试题推荐
Humansconsumegoodsandservicesformanyreasons:tonourish,clothe,andhouseourselves,certainly.Butwealsoconsumeasp
metalmustbehammeredandcooledrapidlyto______internalstresscausedbyheating.
Itisgenerallyacceptedthattheexperiencesofthechildinhisfirstyearslargelydeterminehischaracterandlaterpersonal
Astheplacecircledovertheairport,everyonesensedthatsomethingwaswrong.Theplanewasmovingunsteadilythroughtheair
Astheplacecircledovertheairport,everyonesensedthatsomethingwaswrong.Theplanewasmovingunsteadilythroughtheair
Ofallthelessonstaughtbythefinancialcrisis,themostpersonalhasbeenthatAmericansaren’tsogoodatmoney-management.
A、Becausetheywanttoearnmoremoney.B、Becausetheyneedanimalproteinofhigh-quality.C、Becausetheyloveanimals.D、Becau
A、Takepartinthegame.B、GotoWashingtonandLosAngeles.C、Watchthebasketballgame.D、Missthegameandvisitfriends.C男士
A、Thebalanceofworkandstudy.B、Thefinancialaid.C、Educationandgoodjob.D、Thetuition.D
ForAmericans,timeismoney.Theysay,"Youonlygetsomuchtimeinthislife;you’dbetteruseitwisely."The【B1】______wil
随机试题
常用的公报有
下列加横线词语活用现象与其他三项不同的一项是()
对于国际敏感度指数(ISI),正确的说法是
产于云南的道地药材是
下列人员中,可以做兼职律师的有______。
2014年2月3日,甲与乙公司签订买卖合同,以60万元价格向乙公司购买一辆客车。双方约定,购车合同签订之日起1个月内甲支付50万元,余款在2016年2月3日前付清。并约定乙公司保留客车所有权至甲付清全部款项之前。2月10日,甲未经其妻同意,以自家婚后
社区建设的社会保障功能主要面对的群体是()。
Themeaningoftheword"gruelling"inthefirstparagraphismostcloseto______.Triathlon,accordingtothetext,originate
(1)"Allright,boysandgirls,who’dliketoseesomemagic?"TwiceadaytheferryArahura—anditisgreetedwithcriesof"Me!
SmotherLove[A]Everymorning,LeanneBricklandandhersisterwouldbicycletoschoolwiththesamewordsringingintheir
最新回复
(
0
)