Transcript small intestine.

Skeletal
System
Muscular
System
The Eye
Digestive
System
Picture
This
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
State three of the jobs of the
skeletal system.
1. Protect internal organs
2. Provide shape and support
3. Helps you move
4. Produces blood cells
5. Stores materials
A place where two bones
come together is called a
__________.
Joint
Where are blood cells
produced?
In the bone marrow
(specifically-red marrow)
Bones are connected to
each other by _________;
bones are connected to
muscles by ___________.
Bones are connected to
each other by ligaments;
bones are connected to
muscles by tendons.
What 2 minerals are
bones made of?
Calcium and Phosphorus
What is the difference
between voluntary and
involuntary muscles?
Voluntary -you can control
Involuntary-you can’t control
What are the three types
of muscles?
Cardiac, smooth and skeletal
What kind of muscle is
involuntary and lines the inside
of many organs like the
stomach?
Smooth muscle
Skeletal muscles are
___________ muscles that
get tired ________.
Skeletal muscles are
voluntary muscles that get
tired fast.
Why do skeletal muscles work
in pairs?
Muscles can only contract. So
when one muscle in the pair
contracts, the other muscle is
stretched and returns to its original
size.
What is the cornea and what
is it’s job?
The cornea is a clear tissue
that covers the front of the
eye. It’s job is to protect the
eye.
What is the difference
between “aqueous humor” and
“vitreous humor?”
Aqueous humour is found
between the lens and cornea and
contains nutrients and oxygen.
Vitreous humour is found between
the lens and retina and helps the
eye keep its shape.
What is the retina?
A layer of receptor cells that
lines the back of the eye.
Describe 3 differences
between the cow’s eye and our
own.
1. The cow’s eye is larger then
ours.
2. Cow’s have an oval shaped
pupil; a human’s is round.
3. The cow’s eye has a reflective
layer called a tapetum that human
eyes do not have.
What is the difference
between rods and cones?
Rods let you see in dim light
and black/white/gray colors
Cones let you see in bright light
and colors.
What do we call the involuntary
waves of muscle contractions
that push food along?
Peristalsis
What are the two jobs of
saliva?
1. Moisten food so it slides better
2. Start chemical digestion
How are the jobs of your liver
and gallbladder connected?
Your liver breaks down
medications and produces
bile. The gallbladder stores
bile to be released into the
small intestine.
Almost all mechanical digestion
occurs in the __________ while
most chemical digestion occurs in
the ___________.
Almost all mechanical digestion
occurs in the stomach while
most chemical digestion occurs
in the small intestine.
Describe what villi are and what
they do.
They are tiny finger shaped
structures with capillaries inside.
The capillaries inside villi pick up
nutrients so blood can carry to rest
of body. Villi increase the surface
area of the small intestine so food
can be absorbed into the blood
stream.
What is the arrow pointing to
in the picture?
The stomach
What is the arrow pointing
to in the picture?
Small Intestine
Where would you find these three
bones?
In your ear! The three
smallest bones in your body
are located in your ear and
are called the hammer, anvil
and stirrup based on their
shape.
What are the arrows pointing to in
the picture?
A. (blue
part)
B. (black
part)
A. Iris
B. Pupil
What are the arrows pointing to
in the picture? What does each
part do?
D.
(fluid that
fills space)
A.
B.
C.
(lining on
the inside
of the eye)
A. Cornea-protects the eye
B. Lens-changes shape to allow
light to focus on the retina
C. Retina-layer of receptor cells
D. Vitreous Humour-keeps
retina pushed up against the
back of the eye