biology Flashcards
(23 cards)
What is system?
A system is a group of organs that performs similar function.
Types of system
digestive system
respiratory system
circulatory system
What is a tissue?
A tissue is a group of cells.
What is an organ?
An organ is a group of tissue.
What is a cell?
A cell is a basic unit of life.
What is a skeleton?
A skeleton is a bony structure/ framework which supports, shapes and protects delicate tissues in the body.
What is a cuticle made up of?
Protein + Chitin + Layer of wax
What are bones made up of?
Ostocytes (living bone)
Minerals(non-living)(calcium phosphate + calcium carbonate)
Collagen(protein fibre)
What is a cartilage?
A cartilage is a flexible bony structure meaning it can bend without breaking.
Name the parts of a cartilage.
Chronodroblast(living part)
carbohydrate
protein fibre
Types of skeleton?
Endoskeleton
Exoskeleton
Hydrostatic skeleton
Name is the name of the brain bone?
Cranium
Name is the name of the upper facial bone?
Maxilla(e)
Name is the name of the lower facial bone?
Mandible
What are the functions of the skull?
It protects the brain It protects the eyes It protects the ears It protects the nose It bears the teeth
What are the types of bones that makes the vertebral column?
Cervical(neck region) Thoracic(chest region) Lumber(upper abdomen) Sacral(lower abdomen) Cavdral(tail)
Differences between bone and cartilage.
*BONES *CARTILAGE
Bones are hard Cartilage is soft
Bones are inelastic Cartilage is elastic and flexible
Rich blood supply Lacks blood supply
Haversian canal Haversian canal system is absent
system is present
Volkmann canal is Volkmann canal is absent
present
Presence of blood Absence of blood vessels
vessels
Examples of tissues
Blood Muscle Xylem Phleum Bone
What vertebra bone has the longest neural spine?
The thoraic vertebra
What is the name of the passage of the spinal cord?
Neural canal
What is an atlas?
Atlas has a large neural canal because it chooses the skull transverse process.
Types of celecal vetebra
Atlas
Axis
Features of all vetebra
Neural spine Neural canal Transverse processes Facet Centrum Zygapohysts
