What is the integumentary system?
The skin and its appendages.
How many bones are in the human body
206
What is a cylinder of compact bone called?
osteon
What are osteocytes?
Mature bone cells make up the majority of the bone structure
How many bones are in the Axial Skeleton, and what are they?
Skull, ribs, sternum, and vertebrae (80)
What are the main functions of the skin?
regulates body temperature, supports immunity, absorbs vitamin D, and enables sensation
What are the 5 function of the skeletal system?
Support, Protection, Movement, Manufacturing, Storage
lamellae
What are canaliculi, and what do they do?
How many bones are in the Appendicular Skeleton, and what are they?
Pec and Pelvic gerdles, arms, legs, shoulders, and with 126
What's the top layer of the skin called?
Epidermis
What is the process of blood making called?
hematopoiesis
What is the hole called in the osteon?
Haversian canal
Where are osteoclasts and osteoblast located?
Found in the Haversian canals and surfaces of the compact & spongy bone
What 5 sections is the spine made of?
Cervial, Thoracic, Lumbar, Sacrum, and Coccyx
What protects the body from UV radiation?
Melanocytes
What is the end of a long bone called?
epiphyses
What are the centeral canals called within the bone?
perforating (Volkmanns) canal
What do osteoblasts do?
Produce new bone
What are between the vertebrae and provide shock and cushion?
Interverterbral discs
How does the skin help protect the body from infection?
the skin protects against water and pathogens, supports immunity (antibodies, lysozymes, Langerhans cells), enables sensation (pain, temperature, touch), and helps regulate body temperature through sweating and blood vessels.
What is the shaft of a long bone called?
diaphyses
What is this system called?
Haversain system
What do osteoclasts do?
break down bone
It develops to distribute your body weight better