What system only has one huge organ and what is it
The integumentary system: Skin
How much do the skin weight on an average adult
20 pounds / 16%
What is the heaviest body organ
The skin
What nutrients does the sun help with
Vitamin D
Sense receptors permit the body to respond to:
Pain, pressure, touch, texture, vibrations, and change of temp
The skin’s primary function is
Protections regulation of body temp, synthesis of chemicals, sense organs
What is function of the skeletal system
Support, movement, and stores minerals (calcium and phosphorus)
How many bones do the body have
206 bones
Where does hematopoietic happen (blood cell formation)
The skeletal system
Connection between 2 or more bones
Joints
What system do the tendons belong to
The muscle system
Are all bones the same?
Individuals have variable of bones that differ
Where is costal cartilage located
Thoracic cavity
Young people bones are as strong as blank
Steel (bones r not stiff tho)
Function of muscular system
Movement, maintenance, body posture, body temp,
What contracts and shorten
Muscles
Ligaments
Bands of fibrous connective tissue that help hold bones
Cartilage
Cushion bones that are linked together
Reflex
Occasional involuntary movement
Tendon
Dense sheet of regular dense fibrous connective tissue
When does movement of the muscle happen
When the muscles contract and shorten
Function of nervous system
Communication, unifying, control and recognition of sensory stimuli
PNS
Peripheral nervous system
CNS
Control nervous system
