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Saliva is the fluid made by glands around your mouth. It helps you to chew and swallow food.
Scales are small plates that grow out of the skin of
fish and
reptiles. They
overlap, so if you run your hands down a fish or snake from its
head to its
tail it will feel smooth, and if you run your hand the other way it will feel
rough.
It is also a
device that weighs things.
Your
scalp is the
skin on top of your head, where you normally grow
hair. When men go
bald you can easily see their scalp. The man in the photo has his scalp showing through a
scar.
A scar is a mark on your
skin that shows where it has healed after it was damaged. Scar tissue can also form inside you if you have an internal injury. The man in the picture has a scar from donating a kidney.
A shell is the hard outside coating found on many animals.
Snails have shells that form a
spiral that was built up as the snail grew bigger.
crabs and
turtles have a hard shell that perfectly fits the animal
inside. Most animals that have shells can
hide inside them if they are
scared.
Your shins are at the front, bottom part of your leg between your
knee and your
foot. There is not much fat or muscle on your shins, so it hurts to get hit there and shins are usually very easy to
bruise.
Your shoulder is the joint between your
arm and your body. People sometimes tap you on the shoulder to get your attention. The woman in the picture has a
rat on her shoulder.
Your skeleton is made up of a number of
bones, which hold you up. Your bones are connected to each other by
joints, such as your
knee and
elbow, which let you move around. The skeleton in the picture is a
cat skeleton.
Your skin is the largest organ on your body. It covers you completely and protects your muscles and other organs. Your skin has glands on it that produce
oil and
sweat, and your skin has follicles in it that grow
hairs.
Skulls are a bony structure that is found inside your
head, and in the head of almost all animals. The top part of the skull is called the
cranium and the bottom part is called the
mandible. Your mandible is more commonly called your
jaw, and is the part that moves up and down as you
chew or open and close your mouth.
The picture is of the top part of a
sheep's skull.
Snot is the thick, wet
mucus that comes out of your
nose. You get a lot more snot if you have a cold or flu or if you have allergies.
A snout is the front part of an animal's
face, where its
nose and
mouth are. The term
snout is usually given to the snout of a
pig.
The sole is the bottom of your
shoe or the bottom of your
foot.
Your spine, or
vertebral column is the row of
bones that runs along the centre of your
back. Your spine is made of lots of small bones called
vertebra.
The spleen is an
organ located inside the
abdomen. The spleen is part of the immune system, and its job is to
filter old and abnormal blood cells from the blood stream.
Your stomach is an organ where your food first goes when you
eat. The general area of your body where your stomach is can also be called your stomach,
belly or
tummy.
Stretch marks are small lines that appear on the skin of people whose bodies have gone through a
rapid change, such as growth,
pregnancy or weight gain. Stretch marks are usually pink or purple when they
appear and fade to silver or white after time passes.
Stubble is the short stalks left when a
crop like
wheat has been harvested. Stubble is also used to describe other things that look like grain stubble, like the short hair on a
man's chin that you can see a little while after he has
shaved.
When you are very
hot or have been doing a lot of
exercise, you
sweat. Sweat is a
salty liquid that comes out of your
skin. When air blows across the sweat it
evaporates and dries out, and as this happens it cools you off.
