Biology digital notes for highschool students. Easy to read and understand illustrative notes. Detailed explanation of every topic. Reading of this document is tough for understanding the important concepts of the topic
Locomotion and movement
Muscular system
Locomotion Movement
& - a
All locomotion are movement but all movement
are not locomotion
.
MOVEMENT
movement
*
1 Amoeboid
pseudopodia
-
whc +
macrophage
-
2
Ciliary movement
ciliated
eg epithelium of fallopian take
-
-
trachea
3
-
Flagellated movement
sperm
,4) Muscular movement
-
muscle
MUSCLE
Mesodermal
origin
-
properties exitability
:
-
↳ -
extemibility
-
clasticity
-
contractability
-
Types
:
&
Skeletal zz
-
multinucleated
-
voluntary movement
-
stricted Cardiac
cylinderical
-
Smooth -
branched
-
uninucleated -
intercalated
spindle shaped disc
-
(i
striations
no
un-faintly
-
-
involuntary , u
striated
m
=
-
visceral
, Skeletal muscle
⑬
muscle
-
striated -
*
-
:
muscle
fasciculi
(cell)
- ↓ fibre
Sarcoplasm microfibril
* E
L
sarcolema microfilament
thick thin
SARCOMERE myosin
activ
SARCOMERE
Osin
M my
i
i ↑ M
actin
i
↑ M
O zone
H O zone
I-Band A-Band
isotopic (anisotopic)
Sarcomere-
from 2 to Z
-
=
region
1 I band + 1A-band
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