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science test

science test wednesday 4/6/16; intugmentary system and skeletal system

skin protects you by keeping ______ in your body and foreign particles out of your body water
nerves in your skin let you __________ things feel
regulates your body __________ temperature
skin helps you get rid of ___________. wastes are removed in _________ waste; sweat
skin cells produce ________ which allows your body to absorb ____________ melanin; ultraviolet light
skin comes in many different colors. skin color is determined by a chemical called ________. the more melanin in the skin, the _______ the skin color. melanin; darker
what is the outermost layer of your skin? epidermis
what is the thicker layer of skin that lies beneath the epidermis? the dermis
a hair forms at the bottom of a tiny sac called a hair _________. hair helps protect the skin from __________ rays and helps regulate body ______________ in most mammals. follicle; ultraviolet; temperature
a nail grows from living cells in the nail ________ at the base of the nail. nails _________ the tips of your fingers and toes. root; protect
skin is often damaged, but fortunately can repair itself. however, damage to the ______ material in skin cells can cause skin _______. genetic; cancer
beneath the surface, your skin is a complex organ made of _________ _______, _________, ___________, and __________. (hint: bv,n,g,m) blood vessels; nerves; glands; muscles
_______ ______ transport substances and help regulate body temperature. blood vessels
________ _______ carry messages to and from the brain. nerve fibers
________ __________ in the dermis make hair. hair follicle(s)
______ _____ attached to a hair follicle can contract and cause the hair to stand up. muscle fibers
__ ________ release oil that keeps hair flexible and waterproofs the epidermis. oil glands
________ ________ release sweat to cool the body. sweating is also a way to remove waste materials from the body. sweat glands
what is the maintenance of a stable internal environment? homeostasis
what are two or more tissues working together? organs
what is the soft, flexible tissues that changes to bone? cartilage
what tissue covers and protects other tissues? epithelial tissue
what do we call a group of cells working together? tissue(s)
what tissue contracts and relaxes to produce movement? muscular tissue
what tissue sends electrical signals through the body? nervous tissue
what tissue joins, supports, protects, insulates, nourishes, and cushions organs? connective tissue
true or false? a baby's skeleton is made mostly of marrow false; it is made mostly of cartilage
true or false? the tissue that attaches bones to muscles are called tendons true
true or false? the soft material that produces the baby's blood cells is cartilage. false; red marrow produces blood cells
true or false? the structure where bones come together are called joints true
true or false? the tissue that connects bone to bones is called tendons false; ligaments connect bone to bone
cardiac muscle is found only in the heart true
when smooth muscle moves blood through your blood vessels, the action is voluntary false; the action is involuntary, you don't control that
skeletal muscles help protect your inner organs true
there are three types of muscle: cardiac, voluntary, and skeletal. false; voluntary is not a type of muscle. instead there should be cardiac, SMOOTH, and skeletal
what connects bone to bone? ligaments
what kind of muscle makes up organs such as those found in the digestive tract? smooth muscle
what muscles contract to move bones? skeletal muscles
what system is made up of bones, cartilage and connective tissue? skeletal system
what kind of bone has many open spaces and contains marrow? spongy bone
what kind of muscle is found only in the heart? cardiac muscle
what attaches skeletal muscle to bone? tendons
what kind of bone tissue does not have open spaces? compact bone
what system is made up of muscles and the connective tissue that attaches them to bones? connective system
how many bones are in your body? 206
what is the largest bone in your body? femur
where are blood cells made? bone (red) marrow
where are the smallest bones in your body located? your ear (they are the anvil, hammer, and stirrup)
what bones protect your spinal cord? vertebrae
what kind of joint allows you to flex and extend your lower leg? hinge joint
what is responsible for the color of your skin? a pigment called melanin
what is the lower skin layer called that contains mainly collagen and connective tissue? the dermis
organs in the dermis that produce hair are... hair follicles
what is the outermost layer of your skin that is made up of the epithelial tissue? epidermis
what small organs in the dermis produce a salty waste? sweat gland
what three things make up the integumentary system? skin, hair nails
how many layers of skin do you have? 2
which of these are made of dead cells: epidermis, nails, hair? hair, nails, epidermis (ALL)
what does homeostasis maintain in the body? a stable internal enviornment
what is a tissue? a group of similar cells that work together
a collection of two or more tissues that work together to perform a function is called... an organ
the type of tissue that supports and protects organs is connective tissue
what system absorbs oxygen from the air and releases carbon dioxide... respiratory system
what sends out chemical messages? endocrine system
what breaks down food into nutrients? digestive system
what system supports and protects body parts? skeletal system
what system sends and receives electrical messages? nervous system
what system helps your body get rid of bacteria and viruses? lymphatic system
what is the tissue that cushions the ends of bones where they meet in a joint? cartilage
what your bones store to help your nerves and muscles work properly? minerals
what is a place where two or more bones meet? joint
what is the material that fills some of your bones and makes blood cells? marrow
type of joint that allows the bones in your hand and wrist to move? gliding joint
type of joint that allows you to move your arm in all directions? ball and socket joints
type of joint that allows you to flex and extend your leg? hinge joint
an injury in which a ligament is stretched to far or torn? sprain
disease that causes bones to become weak and break more easily? osteoporosis
disease that causes joints to stiffen or swell arthritis
what is the soft tissue that changes to bone? cartilage
where in your bones are red blood cells made? red marrow
what tissue connects bone to bone? ligaments
name the five functions of the skeletal system? support, protect, movement, make blood cells, storage
what type of tissue joins, supports, and protects? connective tissue
what sends electrical signals? nervous tissue
what is on the surface of your skin? epithelial tissue
what tissue produces movement? muscular tissue
give an example of a ball and socket joint your shoulder and arm
give an example of a gliding joint movement in your wrist
give an example of a hinge joint your knee and leg.
Created by: 1964970244