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Smooth Muscle
Main features:
Non-striated
,
spindle-shaped
,
uninucleated fibers
Involuntary muscle
Usually
covering wall
of
internal organs
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The muscle part of the heart is called the
myocardium
from
myo
(muscle) +
kardia
(heart)
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How do Skeletal Muscles Move?
1.
Muscle pairs
are
grouped together
on the skeleton
2. Skeletal muscles only pull in
one direction
and come in pairs
3. When one muscle of a pair contracts, the other
relaxes
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Striated?
7: Skeletal -
Yes
8: Cardiac -
Yes
9: Smooth -
No
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Number of nuclei per cell?
10:
Skeletal
-
Multi-nucleated
11:
Cardiac
-
Uninucleated
12:
Smooth
-
Uninucleated
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Cardiac Muscle
Main features:
Striated
,
branched
and
uninucleated
fibers
Involuntary
muscle
Only
covering walls
of the heart
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Smooth Muscles
Also known as
involuntary
muscles
Appearance:
spindle
shape with
tapered
ends,
non-striated
muscles, and
uninucleated
cells
Function: Controls
involuntary
movement related to
digestion
,
blood flow
,
urination
, and
breathing
Located in
walls
of
hollow
internal organs such as the
intestines
,
blood vessels
,
bladder
, and
airways
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Muscle Type
Skeletal
Cardiac
Smooth
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Muscular Tissues
Comprised of
elongated
cells called
muscle fibers
, capable of
contracting
to produce
movement
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Cardiac Muscles
Also known as
myocardium
Appearance:
branched
cylindrical-shaped,
striated
muscles, and
uninucleated
cells
Function: Controls
involuntary
movement to
rhythmic
heartbeat
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Function of Muscular System
1. Creates
body heat
2. Moves bones of the
Skeletal system
3. Moves food through
Digestive system
4. Moves blood through
Circulatory system
5. Moves fluids through
Excretory system
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Location
1:
Skeletal
2:
Cardiac
3:
Smooth
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Muscles are attached to bones by tough cords of connective tissue called
tendons
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EXERCISES: Identify the type of muscle and its type of movement
1. 13:
Skeletal
-
Voluntary
2. 14:
Cardiac
-
Involuntary
3. 15:
Smooth
-
Involuntary
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Skeletal Muscles
Also known as
voluntary
muscles
Appearance:
tubular
fiber,
striated
muscles, and
multi-nucleated
cells (muscle fibers)
Function: Controls
voluntary
movement
Either attached to
bone
or
connective
tissue
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Skeletal Muscle
Main features:
Striated
,
tubular
and
multi-nucleated
fibers
Voluntary
muscle
Usually attached to
skeleton
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Voluntary or Involuntary
4:
Skeletal
- Voluntary
5:
Cardiac
- Involuntary
6:
Smooth
- Involuntary
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Series of wave-like muscle contractions that move food through the digestive tract is called
peristalsis
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Prokaryote
With true
nucleus
Membrane-bound
organelles
For
unicellular
organism
Have
polysaccharide
capsule
Have the
DNA
&
ribosomes
Have a
gel-like
cytoplasm
Smaller in terms of
size
Microscopic
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What are the four kingdoms of
Eukaryota
?
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What are the two kingdoms of
Prokaryota
?
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Identify the different types of
animal
tissue
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Histology
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Group of cells that has the same
structure
and
function
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Epithelial Tissues Location
Found covering body surfaces (skin), lining body cavities (like the digestive tract, respiratory tract, and blood vessels), and forming glands (such as sweat glands and salivary glands)
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Classifying Epithelial Tissue
1. According to Number of
Cell layers
2. According to
Cell Shape
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Basic Types of Tissues
Epithelial
Nervous
Connective
Muscle
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Simple Squamous
Structure
: 1 layer of flat, tile-like cell
Function
: diffusion and filtration
Location
: air sacs of lungs, lining of the heart, blood vessels and lymphatic vessels
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Stratified Columnar
Structure
: multiple layers of column-shaped cells
Location
: conjunctiva, pharynx, anus, male urethra
Function
: protection and secretion
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Simple Columnar
Structure
: 1 layer of tall, narrow cells
Function
: absorption; secrete mucous and enzymes
Location
: ciliated in bronchi, fallopian tubes and uterus; non-ciliated in digestive tract and bladder
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Stratified
Squamous
Structure: many layers of flat,
tile-like
cells
Function:
protection
(act as a barrier)
Location
: epidermis, lining of esophagus and external female genitalia and vagina
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Eukaryote
With true
nucleus
Membrane-bound
organelles
Have the
DNA
&
ribosomes
Have a
gel-like
cytoplasm
Smaller in terms of size
Microscopic
Multicellular
organism
Complex
structure &
function
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Branch of science deals with the study of
tissue
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What are
Tissues
?
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Kingdoms of Eukaryota
Plantae
Animalia
Fungi
Protista
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Kingdoms of Prokaryota
Archaea
Eubacteria
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Epithelial Tissues
Consists of tightly packed cells arranged in continuous sheets with no or little intercellular space
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Describe the function of each type of
animal
tissue
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Types of Epithelial Tissues
Simple Squamous
Simple Cuboidal
Simple Columnar
Pseudostratified Columnar
Stratified Squamous
Stratified Cuboidal
Stratified Columnar
Transitional
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Functions of Epithelial Tissues
Absorption
Protection
Secretion
Diffusion
and
Filtration
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See all 44 cards
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