biology1-5
placenta...a flattened circular organ in the uterus of pregnant eutherian mammals, nourishing and maintaining the fetus through the umbilical cord.

30 語中 1～30番目

問題	解答▲	出題数	習得度	苦手度
(blood and function) ( ) work to stop bleeding	Blood platelets	-	-	-
(mechanism of breathing) ( ) is taken from the air in the alveoli and enters the blood	Oxygen	-	-	-
(Digestion and absorption) ( ) are broken down into amino acid by ( ) and ( )	Proteins. pepsin. trypsin	-	-	-
(blood and function) ( ) carry oxygen	Red blood cells	-	-	-
(Digestion and absorption) ( ) are broken down into glucose sugar by ( )	Starches. amylase	-	-	-
(blood and function) ( ) protect the body by breaking down foreign viruses and bacteria	White blood cells	-	-	-
(Digestion and absorption) Proteins are broken down into ( ) by ( ) from stomach juices	amino acid. pepsin	-	-	-
(Mechanism of discharge) Breaking down of amino acid produces ( ) which is poisonous to body	ammonia	-	-	-
(human life) How do ( ) in mothers' bodies grow?	babies	-	-	-
(blood and function) Liquid component of human blood is called ( )	blood plasma	-	-	-
(mechanism of breathing) Oxygen is used for ( ) and ( ) in the cells	breaking down nourishment. taking out energy	-	-	-
(mechanism of breathing) Lungs are made of branches called ( ) which connect to small sacs called ( )	bronchi. alveoli	-	-	-
(mechanism of breathing) Used oxygen in body changes into ( )	carbon dioxide	-	-	-
(Digestion and absorption) Breaking down nourishment into easily absorbed form is called ( )	digestion	-	-	-
(Digestion and absorption) ( ) in digestive juice breaks down smaller pieces of food	digestive enzymes	-	-	-
(human life) By about the ( ) week.. a fetus's eyes and ears have formed and its ( ) and ( ) have clearly formed	eighth. hands. feet	-	-	-
(Digestion and absorption) Fat is broken down into ( ) and ( ) through bile and lipase	fatty acid. monoglyceride	-	-	-
(human life) The process that sperm and ovum become one is called ( )	fertilization	-	-	-
(Mechanism of discharge) Function of kidneys is to ( ) and remove unnecessary material	filter the blood	-	-	-
(human life) About ( ) weeks later after fertilization.. a fetus's heart begins to beat	four	-	-	-
(Digestion and absorption) Starches are broken down into ( ) by amylase in ( )	glucose sugar. saliva	-	-	-
(blood and function) Red blood cells contain ( ) which looks red substances	hemoglobin	-	-	-
(Mechanism of discharge) Urea is carried to ( )	kidneys	-	-	-
(Digestion and absorption) Pancreatic juices include ( ) which breaks down fat	lipase	-	-	-
(human life) After fertilization.. ( ) is formed inside mother's uterus	placenta	-	-	-
(human life) By about the ( ) week.. a fetus is born and able to ( ) through its lungs	thirty-eighth. breathe	-	-	-
(human life) A fetus is connected to a placenta by an ( ).. receiving oxygen and nourishment and moisture	umbilical cord	-	-	-
(Mechanism of discharge) Ammonia carried to liver is changed into nonpoisonous ( )	urea	-	-	-
(human life) The fertilized ovum attaches to he wall of ( ) and begins to grow	uterus	-	-	-
(mechanism of breathing) Air breathed in through nose and mouth is carried through ( ) to ( )	windpipe. lungs	-	-	-

30 語中 1～30番目