Science Test
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Created by:
adrianna1970 on February 13, 2011
Subjects:
Description:
Support, Movement and Responses
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31 terms
Terms | Definitions |
|---|---|
 Retina | Eye tissue composed of rods and cones |
| Smooth Muscle | Involuntary muscles of the digestive system |
| Involuntary Muscles | Any muscles that are not consciously controlled |
| Dermis | The middle layer of skin |
| Muscles | Organ that relaxes and contracts |
| Cochlea | Fluid- filled structure in the inner ear |
| Tendons | Thick bands of tissue that attach muscles to bones |
| Marrow | Substance in center of bones that makes blood cells |
| Reflex | Involuntary, automatic responses to a stimulus |
| Joint | Any place where two or more bones meet |
| Cartilage | makes bones hard |
| Compact Bone | the hard strong layer of bone |
| Spongy Bone | one function of spongy bone is to produce red blood cells |
| Cartilage | the smooth flexible layer of tissue covering the ends of bone. |
| Immovable joints | the joints of the bones of the skull and pelvis |
| Gliding Joints | are the most frequently used joints in your body |
| Cartilage | is important because it acts as a shock absorber |
| Bruise | An injury that causes blood vessels to break under the skin |
| Skeletal muscle | Most muscles in the body are skeletal muscles |
| Cornea | In vision, light rays first pass through Cornea muscle |
| Inner ear | The inner ear controls your sense of balance |
| Olfactory cells | Olfactory cells aid in the sense of smell |
| Impulse | A message carried by a neuron |
| A stimulus | Any change inside or outside your body that brings about a response |
| Layers of the skin | Epidermis: dead cells, pigment Dermis: blood vessels, sweat glands, nerves Fatty Layer: fat deposits |
| Steps to regulating body temperature | Blood vessels dilate Blood flow increases Body releases heat |
| List five major functions of the skeletal system: | It gives shape and support to the body Bones protect internal organs Muscles attach to bones and move Blood cells are formed in the Marrow Calcium and Phosphorus for body use are |
| Name the major function of muscles and give an example of a body part that is a voluntary muscle: | Major function is to move body parts. An example is your arm. |
| List the 5 major functions of skin: | Protective covering regulates body temp excretes waste, salt and water it serves as a sensory organ for temperature, touch and pressure forms vitamin d |
| What are the 3 types of neurons and what is the job of each? | Sensory Neuron: Recieve information and sends impulses to brain interneurons: Conduct impulses from the sensory Neurons to motor Neurons Motor Neuron: Conduct impulses from the brain to muscles |
| How do caffeine and alcohol affect the nervous system? | Caffeine is a Stimulant: speeds activity in the central nervous system. Alcohol is a depressant: Slows activity in the central nervous system. |
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