8/13/2019 EXAMEN TEMA 5 SCIENCE.doc

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8/13/2019 EXAMEN TEMA 5 SCIENCE.doc

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Bladder kidneys ureters urethra

Pulmonary circulation systemic circulationvena cava aorta

Pulmonary vein pulmonary artery

2. omplete:

!nergy repair meat sugars legumes

butter

Carbohydrates gives us . There are two types ofcarbohydrates: .found in foods which taste sweet and starches inbread, potatoes and legumes.

Fats: also gives us energy. We get some fats such as ..from animals

and others such as olive oil from plants.

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Proteins: help or body to grow and itself. , fish and.are good sources of proteins

". #rite the order o$ the stages o$ digestion:

.digestion in intestine.limination of waste.!igestion in the mouth."bsorption in the intestine.!igestion in the stomach

%. #rite in order:

#e$t it goes through the two bronchi and into each lung. The bronchi divideinto bronchioles..%n the alveoli the o$ygen passes into the blood

The air enters through the noseThe blood releases carbon dio$ide which the body e$pels..The air passes through the pharyn$, laryn$ and trachea

&. #rite in order:

..The urine goes to the bladder..The &idneys filter the blood and produce urine..The urine is e$pelled through the urethra..The urine leaves the &idneys and passes through the ureters

'. Write in order

P()*+#"- C%C()"T%+#:..%n the lungs the blood absorbs o$ygen and release carbon dio$ide.lood leaves the heart through the pulmonary arteries and goes to the lungs..The blood returns to the heart through the pulmonary veins

/-/T*%C C%C()"T%+#:.lood returns to the hearts through the vena cava..lood with o$ygen leaves the heart through the aorta..lood distributes nutritive substances and o$ygen throughout the body

'. (ead the de$initions and guess the )ords:

..are the substances which our body need to survive,

grow and repair itself

*il& gives us ..for our bones

.: %t is found in fruits, vegetables and whole0grains

The .converts food we eat into nutrients

that our body absorbs

..1 the substances we need are absorbed into theblood

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The large intestine removes water from these substances and form solid waste

called ...

: tubes which carry air in and out of the body

The tiny sacs of air at the end of bronchiole are the ..

Two movements:

.and..cause the air tocirculate

..is the elimination of the waste substances

..is the movement of blood through the circulatory

system

..are the tubes which transport blood through the

circulatory system

is the movement of blood between the heart and

the lungs

is the movement of blood to the rest of the body

, .. and are

the blood vessels

*. (eading omprehension

-our heart is really a muscle. %t2s located a little to the left of the middle of your chest,and it2s about the si3e of your fist. There are lots of muscles all over your body 0 in yourarms, in your legs, in your bac&, even in your behind. ut this muscle is specialbecause of what it does 0 the heart sends blood around your body. The blood providesyour body with the o$ygen and nutrients it needs. %t also carries away the waste thatyour body has to get rid of.

-our heart is sort of li&e a pump, or two pumps in one. The right side of your heartreceives blood from the body and pumps it to the lungs. The left side of the heart doesthe e$act opposite: it receives blood from the lungs and pumps it out to the body. ythe time you2re grown up, your heart will be beating 4pumping5 about 67 times a minute.

8ow does the heart beat9 efore each beat, your heart fills with blood. Then itcontracts to suirt the blood along. When something contracts, it suee3es tighter 0 trysuee3ing your hand into a fist. That2s sort of li&e what your heart does so it can suirtout the blood. -our heart does this all day and all night, all the time. very day, an adultheart pumps ;,777 gallons 46,