chapter 4 5 6 7 Flashcards
List, in order, the list of how life is organized from cell to organ systems
cells
tissue
organs
organ system
group of cells of a similar type that work together to serve a common function
tissues
covers body surfaces, lines body cavities and organs, and forms glands
epithelial
covers skin
epithelial
provides body and its organs with protection and support serves as storage site for fat; plays role in immunity
connective tissue
two types of connective tissue
connective tissue proper
specialized connective tissue
blood, bone, cartilage, adipose tissue
connective
responsible for body movement and movement of substances through the body
muscle
skeletal, cardiac, and smooth
muscle tissue
conducts nerve impulses from one part of the body to another
nervous tissue
brain, spinal cord, and nerves
nervous tissue
Indicate the most abundant and widely distributed type of tissue
connective tissue
3 basic components of all connective tissues
ground substance, fibers, and cells
List the 2 categories of connective tissues
connective tissue proper
specialized connective tissue
example of connective tissue proper
loose CT, adipose CT, dense CT
example of specialized connective tissue
blood bone cartilage
3 types of muscle tissue
skeletal cardiac smooth
attached to bones
skeletal
in walls of hollow organs
smooth
only found in heart
cardiac
moves body
skeletal
responsible for pumping blood to the rest of the body
cardiac
propels substances or objects through internal passageways
smooth
voluntary
skeletal
involuntary
smooth and cardiac
location of the nervous tissue
brain spinal cord and nerves
List the 11 organ systems in the human body.
integumentary skeletal muscular nervous endocrine cardiovascular lymphatic respiratory digestive urinary reproductive
consists of skin, hair, nails, sweat and oil glands
integumentary system
functions of integumentary system
protection
temperature regulation
produces vitamin D
contains senses
3 layers of skin
epidermis
dermis
hypodermis
outermost layer
epidermis
forms a protective barrier against environmental hazards
epidermis
in the epidermis what is there a lot of
mitosis—–bottom layer of cells
much thicker than epidermis and is primarily connective tissue
dermis
contains blood vessels, hair follicles, oil glands, sweat glands, sensory structures, and nerve endings
dermis
below dermis
hypodermis
is mostly fat
hypodermis
Explain how part of the skin is dead yet we still make more.
bottom layer of cells—lots of mitosis
function of hypodermis
cushion, insulation
List and describe the 2 factors that produce skin color.
melanin and circulation
Describe the physiological function of tanning
increase production of melanin to radiation-protective
ability to maintain a relatively stable internal environment
homeostasis
List the 2 organ systems that maintain homeostasis in the human body.
nervous and endocrine
Describe what happens when homeostasis fails.
illness or death. ex. diabetes
measures to reverse changes back to “normal”
negative feedback mechanisms
examples of negative feedback mechanisms
blood glucose, body temp, blood pH
List the 6 functions of bones.
support movement protection storage of minerals storage of fat blood cell formation
List some examples of bones used for protection.
skull, sternum, ribs
What minerals are stored in bones?
calcium and phosphorus
Where are blood cells formed?
in bone marrow
on outside of all bones and is dense
compact bone