H is t o lo g y -
W h a t is h i s t o l o g y ?
Im p o r t a n c e o f H i s t o lo g y :
- m i c r o s c o p i c s t u d y o f t is s u e s a n d o rg a n s th ro u g h
- a ll o w s f o r v i s u a lis a t io n o f t is s u e
t h r o u g h s e c t io n in g , s t a in i n g a n d e x a m i n i n g
s t ru ct u re a n d c h a r a c t e r is ti c c h a n g e s t h e t is s u e
t h o s e s e c tio n s w it h a m ic ro sc o p e .
m a y h a v e u n d e rg o n e .
a t o m → m o le cu le - ☐ c e l l- ☐ t is s u e ☐ o rg a n - w o r g a n s y stem → o r g an is m
~ - L e a r n in g O b j e c tiv e s - n .
U n d e r s t a n d in g o f s u rf a c e a re a :v o lu m e r a tio s
A d v a n t a g e s o f m u lti - c e llu la r it y
U n d e rs t a n d in g o f t is s u e v s o r g a n v s o r g a n s y s t e m .
O v e r a ll s t r u c t u r e & f u n c t io n o f f o u r m a in a n im a l t is s u e t y p e s
F orm { f u n c tio n o f m a in t y p e s o f t is s u e
S u rf a c e a re a : v o lu m e
A d v a n t a g e s o f
m u l t i c e ll u l a r i t y :
• C o m p l e x it y a n d s p e c i a l is a t io n
◦ L a r g e r o r g a n is m s
• Im p r o v e d a d a p t ib i lit y
• B e tte r re p ro d u c tiv e s t ra te g ie s
• D iv is i o n o f l a b o u r
• E f f e c t iv e l y l o n g lif e s p a n t h a n
a u n i c e llu la r o r g a n i s m .
L a rg e r o rg a n is m s d o n o t h a v e v o lum e is t h e s a m e
l a r g e r c e lls i n s t e a d t h e y h a v e b u t t h e s u rf a c e h a s
M O R E c e lls . i n c re a s e d
-: b ig g e r r a tio
, Organ systems
in humans
This is Steve & Stacy and they will present systems
Brain
in:&: pitautary gland
Spinal
tendons cord Heart
pancreas
Adrenal glands
B:&'s
ovaries-Stacy
NEIL; al • •
testes
÷:&:*:"
◦ Secretes hormones
◦PIE::*:&.
I:&:&" • Regulates Cardiovascular. Equalizes temperature
• Activates bodily Endocrine
Muscular system Nervous system responses
bodily processes
system in the body
System
Hair
cartilage Nasal
♀:&:
Skin bones
Thymus
spleen Lungs
Nails go
lymphnodes
joints
lymphatic
vessels
◦ Supports body ◦ Removes
◦ Returns fluid
◦I:&:*: • Emna◦buleesment CO2 fromB
to blood body
Integumentary • Site of many Lymphatic Respiratory
• Delivers 02
• Defends
System sensory receptors
Skeletal System System to blood
against
System pathogens
◦ Process food
for use of body ◦ Produces sex
• Removes waste hormones}
from undigested
food
gametes mammary
Delivers gametes
glands
to female
Kidneys
:*::
largeintestine ovaries
Urinary epididymis
small intestine bladder Uterus
EYES
:{in nwater • Produces sex
• Removes waste 4%1%5"
Urinary
Digestive System from blood Female • Supports embryo/
fetus until birth
and excretes
System them Male Reproductive System Reproductive
• Prod, ""
system
W h a t is h i s t o l o g y ?
Im p o r t a n c e o f H i s t o lo g y :
- m i c r o s c o p i c s t u d y o f t is s u e s a n d o rg a n s th ro u g h
- a ll o w s f o r v i s u a lis a t io n o f t is s u e
t h r o u g h s e c t io n in g , s t a in i n g a n d e x a m i n i n g
s t ru ct u re a n d c h a r a c t e r is ti c c h a n g e s t h e t is s u e
t h o s e s e c tio n s w it h a m ic ro sc o p e .
m a y h a v e u n d e rg o n e .
a t o m → m o le cu le - ☐ c e l l- ☐ t is s u e ☐ o rg a n - w o r g a n s y stem → o r g an is m
~ - L e a r n in g O b j e c tiv e s - n .
U n d e r s t a n d in g o f s u rf a c e a re a :v o lu m e r a tio s
A d v a n t a g e s o f m u lti - c e llu la r it y
U n d e rs t a n d in g o f t is s u e v s o r g a n v s o r g a n s y s t e m .
O v e r a ll s t r u c t u r e & f u n c t io n o f f o u r m a in a n im a l t is s u e t y p e s
F orm { f u n c tio n o f m a in t y p e s o f t is s u e
S u rf a c e a re a : v o lu m e
A d v a n t a g e s o f
m u l t i c e ll u l a r i t y :
• C o m p l e x it y a n d s p e c i a l is a t io n
◦ L a r g e r o r g a n is m s
• Im p r o v e d a d a p t ib i lit y
• B e tte r re p ro d u c tiv e s t ra te g ie s
• D iv is i o n o f l a b o u r
• E f f e c t iv e l y l o n g lif e s p a n t h a n
a u n i c e llu la r o r g a n i s m .
L a rg e r o rg a n is m s d o n o t h a v e v o lum e is t h e s a m e
l a r g e r c e lls i n s t e a d t h e y h a v e b u t t h e s u rf a c e h a s
M O R E c e lls . i n c re a s e d
-: b ig g e r r a tio
, Organ systems
in humans
This is Steve & Stacy and they will present systems
Brain
in:&: pitautary gland
Spinal
tendons cord Heart
pancreas
Adrenal glands
B:&'s
ovaries-Stacy
NEIL; al • •
testes
÷:&:*:"
◦ Secretes hormones
◦PIE::*:&.
I:&:&" • Regulates Cardiovascular. Equalizes temperature
• Activates bodily Endocrine
Muscular system Nervous system responses
bodily processes
system in the body
System
Hair
cartilage Nasal
♀:&:
Skin bones
Thymus
spleen Lungs
Nails go
lymphnodes
joints
lymphatic
vessels
◦ Supports body ◦ Removes
◦ Returns fluid
◦I:&:*: • Emna◦buleesment CO2 fromB
to blood body
Integumentary • Site of many Lymphatic Respiratory
• Delivers 02
• Defends
System sensory receptors
Skeletal System System to blood
against
System pathogens
◦ Process food
for use of body ◦ Produces sex
• Removes waste hormones}
from undigested
food
gametes mammary
Delivers gametes
glands
to female
Kidneys
:*::
largeintestine ovaries
Urinary epididymis
small intestine bladder Uterus
EYES
:{in nwater • Produces sex
• Removes waste 4%1%5"
Urinary
Digestive System from blood Female • Supports embryo/
fetus until birth
and excretes
System them Male Reproductive System Reproductive
• Prod, ""
system
