What is the term for the body's ability to maintain a relatively stable internal environment?
homeostasis
What are the three major components of the integumentary system?
skin, hair, nails, and cutaneous glands
According to the ABCDE rule, what does the "A" stand for when evaluating a suspicious mole for possible melanoma?
asymmetry
How many bones are typically found in the adult human skeleton?
206 bones
How many cervical vertebrae are normally found in the human vertebral column?
What is 7
Put these levels of organization in order from least complex to most complex: organs, organism, tissues, organ systems.
tissues → organs → organ systems → organism
What type of epithelial tissue makes up the epidermis?
keratinized stratified squamous epithelium
Which type of sweat gland is primarily responsible for producing sweat that cools the body?
merocrine
What are the two major divisions of the skeleton
axial skeleton and appendicular skeleton
How many thoracic vertebrae are normally found in the human vertebral column?
What is 12
What are the four major types of tissue found in the body?
epithelial, connective, muscle, and nervous tissue
Which epidermal cell produces melanin, the pigment that helps protect the skin from ultraviolet radiation?
melanocyte
Which type of burn is a full-thickness burn, potentially destroying nerve endings and therefore often being painless?
third-degree burn?
How many lumbar vertebrae are normally found in the human vertebral column?
What is 5
What type of bone cell breaks down bone tissue during bone remodeling?
osteoclast
What two features are used to classify epithelial tissue?
What are the number of cell layers and the shape of the cells?
What are the three major layers associated with the skin, from superficial to deep?
epidermis, dermis, and hypodermis
What type of bone cell is responsible for building new bone tissue
osteoblast
What is the abnormal lateral curvature of the vertebral column called?
scoliosis
What inorganic mineral component of bone provides much of its strength
hydroxyapatite
What are the two main components that make up the extracellular matrix of connective tissue
fibers and ground substance
A person's skin appears blue or bluish-purple because of reduced oxygen in the blood. What condition is this?
cyanosis
What type of bone growth increases the width or diameter of a bone
appositional growth
What hormone decreases blood calcium levels by promoting calcium deposition into bone
calcitonin
According to Wolff's Law, what happens to a bone when it is subjected to increased mechanical stress and heavy use?
the bone becomes stronger and denser through remodeling