-
the second skin layer, containing nerve endings and blood vessels
dermis
-
the outer skin layer made of tough dead cells
epidermis
-
a body part that produces a substance needed by the body
gland
-
a thin cord that carries messages to or from the brain.
nerve
-
the body system that includes the brain, spinal cod, and nerves, by which the actions of the body are cdontrolled
nervous system
-
an action performed because of a stimulus
response
-
the ability to receive some type of stimulus
sense
-
a body part, such as an eye or an ear, that receives stimuli and sends messages about them to the brain
sense organ
-
plural stimuli, anything that can cause on to make a responce
stimulus
-
one of the smaller tubes that carry air to the lungs
bronchial tubes
-
a sheet of muscle below the lungs, which contracts to bring in air
diaphragm
-
the flap that closes the top of the trachea in a swallowing
epiglottis
-
the passages in the head where incoming air is warmed and cleaned
nasal passages
-
the body system that includes the lungs, diaphragm, and various air passages, by which oxygen is absorbed and carbon dioxide is released
respiratory system
-
the stiff-walled air passages in the throat
trachea
-
two bands in the throat that vibrate to produce the sound of the voice
vocal chords
-
the receiving of dissolved materials in the blood
absorption
-
the body system that includes the stomach and intestines, by which food is changed into a material that dissolves
digestive system
-
a chemical that causes digestion
enzyme
-
a tube with muscles to move food to the stomach
esophagus
-
the material in food that will not digest
fiber
-
the liquid added in the stomach to digest food
gastric juice
-
the tube where undigested food is stored to be passed out of the body
large intestine
-
the watery fluid in the mouth that starts the digestion of food
saliva
-
the tube where enzymes are added to food and where dissolved food is absorbed through villli
small intestine
-
small fingerlike parts in the small intestine, which absorb food
vilii
-
a blood vessel that carries blood away from the heart
artery
-
a receiving chamber of the heart
auricle
-
a tiny blood vessel with walls one cell thick
capillary
-
the body system that includes heart and the blood vessels, by which blood is circulated through the body
circulatory system
-
the yellowish water solution of the blood
plasma
-
the change of blood pressure that shows the heart beat
pulse
-
a red blood cell, which carries oxygen to the body cells and carries waste carbon dioxide away.
red corpuscle
-
a blood vessel that carries blood to the heart
vein
-
a pumping chamber of the heart
ventricle
-
a white blood cell, which fights germs
white corpuscle
-
a person who has _______ loses the sense of touch in the affected areas
leprosy
-
the ______ is renewed about once every two months because the surface cells are constantly flaking off and being replaced
epidermis
-
washing the skin helps get rid of germs and to avoid an unpleasant body ______
odor
-
the air coming out of the lungs has more ____ _____ then the air coming in
carbon dioxide
-
the nasal passages both ____ and _____ the air before it goes into the lungs
warms, cleans
-
in the mouth, the food is broken and crushed by the _____
teeth
-
digestion begins in the mouth when an enzyme in _____ turns starch into sugar
saliva
-
to help keep the large intestine healthy, you should eat food that has plenty of _____
fiber
-
you should not eat much food rich in _____ because it is hard to digest
fat
-
you how a heart with _____ (how many ) chambers?
4
-
the ____ _____ have a material containing iron that can carry much oxygen and carbon dioxide
red corpuscles
-
which of these is a stimulus ?
A. the calling of your name by your mother
-
which of these is in the right order?
C. stimulus, nerve organ, nerve, brain
-
the skin is an insulator because it has
B. fat
-
what statement is correct?
D. the respiratory system gives something and takes something from your body
-
which of these is in the right order?
D. nasal passages, trachea, bronchial tubes, tiny air sacs
-
the lungs have many tiny air sacs instead of one large sac because
B. the tiny sacs provide more surface area
-
the rate of breathing is automatically controlled by
C. the brain stem
-
which of these does the stomach not do for the body?
D. stores food for passing out the body
-
which of these is in the right order?
D. esophagus, stomach, small intestine, large intestine
-
when the pulse is checked, changes of pressure are felt in
B. an artery
-
which of these does not have a network of capillaries
B. epidermis
-
which of these is in the right order?
C. arteries, capillaries, veins, heart
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