Definitions
What is the outer portion of the skin, formed by epithelial tissue that is attached to the dermis?
epidermis
What layer of skin is keratinized?
Epidermis
True or False, skin is an organ.
True
What are two parts of the hair?
Shaft and the root
Who has more bones: adults or children?
Children
What is the portion of the skeleton that attaches to the axial skeleton and has the limbs attached to it?
Appendicular skeleton
Cuts in the skin heal differently depending on the way the cut is situated to the line of cleavage. Which type of cut is more likely to scar?
The cut that goes across the line of cleavage.
Are sweat glands, merocrine, apocrine, or holocrine glands?
merocrine
If hair is dead, why do we notice when someone touches it?
The hair follicle receptors sense the movement of hair.
What type of bone would you classify the rib bone?
Flat bone
What is the process of bone formation called?
Ossification
What is the process of dead skin flaking off?
Desquamation
What is the function of the sebaceous glands?
To condition and protect the skin.
What is the arrector pili and what does it do?
The axial skeleton contains which three sections?
Skull, rib cage, and vertebral column
What is the process of bone formation?
Ossification
What layer of skin is the papillae located in?
Dermis
The dermal papillae is an important part of the skin that does what for the epidermal cells?
Allows the transfer of oxygen and nutrients
What determines the different lengths of the hair on our bodies?
The length of the growth and rest stages determines the length of the hair.
hyaline cartilage
What is the networks of bones with many marrow-filled spaces surrounding the bone matrix?
Cancellous bone
If you experience a 2nd degree burn that leaves you with no epidermis and only some dermis, how can your skin be replaced?
Hair follicles can replace the lost epidermis cells through mitosis.
What produces pigment or melanin in our skin?
melanocytes
Hair is made of three concentric layers, medulla, cortex, and cuticle. Which one is soft keratin?
Medulla
What are the five functions of the Skeletal System?
Support, protect, move, store, and hemopoiesis