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Category | Format | Size |
---|---|---|
Zhejiang Education Edition Ninth Grade Science Volume 2 | pptx | 6 MB |
Description
"Human Movement System and Health Care" PPT courseware
Part 1: Overview of the motion system
composition
Bone————Lever
Bone connection - the fulcrum of movement
Skeletal muscles - the driving force for movement
Are bones bones?
The human frame composed of bones and bone connections is called skeleton.
The human skeleton is composed of 206 bones connected by bones.
Human locomotor system and health care PPT, part 2: bones
1. Function of bones:
Support body weight
Constituting human body support
hematopoiesis
Protect internal organs
Reserve calcium and phosphorus
2. Classification of bones:
(by part)
skull
trunk bone
limb bones
3. Classification of bones:
(by form)
long bone: long tube-shaped
Short bones: Cuboidal
Flat bone: plate-shaped
Irregular bones: various
Human locomotor system and health care PPT, part 3: skeletal muscles (voluntary muscles)
There are about 600 skeletal muscles in the body
Accounts for 40% of adult body weight
Can shrink according to one's wishes
Classification:
(by part)
head and neck muscles
Trunk muscles
limb muscles
The composition of skeletal muscle:
muscle belly
tendon
Structural levels of skeletal muscle:
Muscle fiber→muscle bundle→muscle belly
Keywords: Free download of science PPT courseware for the second volume of the ninth grade of Zhejiang Education Edition, download of human movement system and health care PPT, .PPT format;
For more information about the "Human Movement System and Health Care" PPT courseware, please click on the "Human Movement System and Health Care ppt" tab.
"Human Movement System and Health Care" PPT:
"Human Movement System and Health Care" PPT
Part 1: Overview of the motion system
composition
Bone——lever
Bone connection - the fulcrum of movement
Skeletal muscles - the driving force for movement
Function: support, protection and movement
bone..
File Info
Update Time: 2024-10-06
This template belongs to science courseware Zhejiang Education Edition Ninth Grade Science Volume 2 industry PPT template
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