Lesson 8.2 - The Skeletal System Flashcards
3 Types of Skeletal System
Exoskeleton, Endoskeleton, Hydrostatic Skeleton
An _______________ is found mostly in vertebrates. It is characterized by having skeletal structure inside the body. It is closely related to the muscular system.
Endoskeleton
the protective covering of the hardened material outside the body. It is primarily for protection
Exoskeleton
A _____________ is found in soft-bodied organisms. It relies on the pressure of water to move the animals.
hydrostatic skeleton
Skeletal system acts as ____________ of the body. Works with the muscular system to aid in movement
framework
__________ is the muscle that does not move.
Origin
__________is the muscle that is moved
Insertion
Skeletal system provides the body with __________ and it protects some organs.
structure
Skeletal system serves as a storage site for ___________. While, bones are sites for _____________.
minerals, hematopoiesis
4 types of bones
Long, short, flat, irregular
are longer than wide. These consist of: Yellow marrow and Red marrow
Long bones
has a fatty connective tissue.
Yellow marrow
is an important site for blood cell production.
Red marrow
are boxed shaped bones. Examples are carpals and capitate.
Short bones
have a broad surface. Examples are sternum and ribs
Flat bones