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The adult human skeleton usually con-
206
sists of _____ bones.
- Long Bones
- Short Bones
4 Classifications of Bones
- Flat Bones
- Irregular Bones
Where 2 bones come together. Also re-
Joints
ferred to as an articulation.
Are divided into 3 categories: Immov-
Joints able, Slightly Movable, and Freely Mov-
able
The tough but flexible tissue that covers
the ends of the bones of freely movable
Cartilage
joints and protects bones by preventing
them from rubbing against each other.
A connective tissue that binds one bone
Ligament
to another
A connective tissue that attaches muscle
Tendon
to bone
It moves all bones and controls facial
Striated Muscle expressions and eye movements. Also
known as skeletal muscle.
Lines the walls of the internal organs
Smooth muscle (such as the intestines). Also known as
visceral muscle.
This is a unique type of muscle. It is a
combination of both striated and smooth
Cardiac muscle
muscles. Only the heart has this type of
muscle.
The _____________ is classified into 2
Nervous System
major divisions: the CNS and PNS
Nerves inside the brain and spinal cord
that send signals to other parts of the
Central Nervous System (CNS)
body. Only includes the brain and spinal
cord.
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All nerves outside of the brain and spinal
cord. This system relays messages be-
Peripheral Nervous System (PNS)
tween the CNS and other areas of the
body.
The __________ consists of the lungs,
Respiratory System passageways for air flow, blood vessels,
and muscles.
Respiration, which is defined by the se-
quence of events that results in the deliv-
Function of the Respiratory System ery of oxygen into the body followed by
the transfer of carbon dioxide out of the
body.
The __________ consists of the heart
Cardiovascular System (a powerful muscular pump) and blood
vessels.
To transport a constant supply of nutri-
ents and oxygen to body cells through
Function of the Cardiovascular System
the flow of blood. (Could summarize this
as circulation)
Blood vessels that carry blood AWAY
Arteries
from the heart to the body tissues.
Blood vessels that carry oxygen-poor
Veins
blood back to the heart.
The ________ includes the digestive
Digestive System
tract and its accessory organs.
To process food into molecules that can
Role of Digestive System be absorbed and utilized by cells of the
body.
- Ingestion
- Digestion
Functions of the Digestive System
- Absorption
- Elimination
Digestive Tract
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1. Mouth
2. Esophagus
3. Stomach
4. Small Intestine
5. Large Intestine
6. Anus
7. Accessory Organs: Salivary Glands,
Liver, Gallbladder, and Pancreas
Located in the mouth; moisten and lubri-
Salivary Glands cate food and begin the breakdown of
carbohydrates.
Metabolizes macronutrients (e.g., carbo-
Liver hydrates, proteins, fats); produces bile;
and detoxifies the body
Stores the bile, a yellow-green fluid,
Gallbladder
which helps digest and absorb fats
Secretes enzymes and hormones (such
as insulin) that help with digestion and
Pancreas
the use of carbohydrates, proteins, and
fats.
The __________ balances the fluids in
your body by stimulating thirst and pro-
ducing, storing, and eliminating urine.
Urinary System
Also known as the renal system. Or-
gans include: kidneys, ureter, bladder,
and urethra.
Bean-shaped organs located in the ab-
Kidneys dominal cavity on either side of the spine
that are responsible for producing urine.
A tube attached to the kidneys through
Ureter which urine passes from the kidneys to
the bladder.
Bladder Organ that stores urine until full.
A tube (connected to the bladder)
Urethra through which urine is expelled from the
body.