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5th-Human Body

Vocabulary Practice

Characteristics Qualities of an organism
Inherited Characteristics from parents
Likeness Similar or nearly the same
Organism an individual living system
Traits Distinguishing characteristics
Generation a group of individuals born and living at the same time, such as siblings
Parents animals (including humans) or plants that produce offspring
DNA material in life forms that transfer genetic characteristics from parents to offspring
Ball and socket joint joint that allows twisting and turning; example, hip joint
Bones forms the substance of a skeleton; support the body
Cartilage flexible connective tissue
Cranium skull
Femur longest, largest and strongest bone in the human body; located in the upper leg
Fracture to break or crack
Framework support, i.e. skeleton
Gliding joint joint that allows flat bones to slide over each other; example: foot, wrist
Hinge joint joint that allows movement in a certain spot, like the opening and closing of a door; example: elbow, knee, ankle
Humerus long bone in arm extending from the shoulder to the elbow
Immovable not able to be moved
Joints place where two bones are joined or united to allow motion
Mandible jaw bone
Patella flat moveable bone in the front of the knee; also known as the knee bone
Pelvis funnel-shaped part of the skeleton supporting lower limbs
Phalanges bones that make up the fingers
Radius bone of the forearm on the thumb side
Ribs bone that support and protect organs such as the heart and lungs
Scapula shoulder blade
Skeleton framework of 206 bones that supports the human body
Skull head bone that protects the brain; also known as the cranium
Spine backbone
Sternum breastbone
Tarsals bones in the feet
Tibia shinbone; located in the lower leg
Torso upper part of the body
Ulna bone of the forearm, located on the side opposite of the thumb
Vertebrae bones in the spine or backbone
Bicep muscle at the front of the upper arm
Cardiac Muscle heart muscle
Contract draw together
Endurance ability or strength to continue or last without becoming tired
Exertion activity of using muscles in various ways to keep fit
Extend to increase in length
Flex to bend
Involuntary muscle controlled without thinking about it, i.e. pumping heart
Ligaments tissues that connect bones, hold organs in place
Muscles tissues that cause motion in the body when contracted
Atrophy to waste away or decrease in size
Musculoskeletal the muscular and skeletal systems
Resistance exercise that involves working your muscles against free weights or your body's own weight (running, walking, push ups)
Skeletal Muscle muscle connected at either end with a bone
Smooth Muscle found in the walls of internal organs, blood vessels, hair folloes
Tendons connect muscle to bone
Tricep Muscle located at the back of the upper arm
Voluntary muscle whose action is controlled by the person; example: lifting an arm
Cell the basic unit of life
Multicellular composed of many cells
Unicellular single-celled; composed of one cell
Tissue similar cells with a specific function
Organ a part of a system that consists of cells and tissues and is specialized to do a particular task
Direct Evidence evidence you collect yourself
Indirect Evidence evidence you do not collect yourself, but rely on evidence collected by others
Fitness state of being healthy
Autonomic Nervous System system of nerves which control involuntary functions
Axon part of a neuron that takes information away from a cell
Brain controls mental and physical actions; located in the cranium (skull)
Brain Stem part of the brain near the spinal cord; controls reflexes, breathing, and heartbeat
Cerebellum large portion of the brain which controls voluntary motions
Cerebrum Largest part of the brain which controls
Dendrites part of a neuron that brings information to a cell
Nerves bundle of fibers that carry impulses from the brain to other parts of the body
Neurons specialized, impulse-conducting cells which are composed of a cell body, axon, and dendrits
Peripheral Nervous System lies outside the brain and spinal cord and includes nerves to arms, legs, and sense organs
Relay to transmit a signal
Spinal Cord cord of nerve tissue extending through the spinal column and protected by the vertebrae of the spine/backbone
Spinal Nerve nerves that start in the spinal cord
Stimuli something that causes an action; example--stimulus: hot stove, response: moving hand away from hot stove
Synapse place where nerve messages are sent and received
Blood circulates in body to sustain life
Cholesterol waxy substance found in animal tissue; too much can lead to heart disease
Red Blood Cells carry oxygen throughout the body
White Blood Cells fight off infections and diseases
Platelets smallest blood cells which form clots if you have an injury such as a cut or scrape
Plasma the watery part of blood that contains protein and suspends blood cells
Aerobic Exercise exercise that increases the need for oxygen
Anaerobic Exercise exercise that builds muscles through tension
Aorta major artery which circulates blood from the heart to all of the body except the lungs
Arteries blood vessels that carry blood away from the heart
Atrium two upper chambers on each side of the heart, receives blood from veins and forces it into ventricles
Blood Vessels any of the tubing (arteries, veins, capillaries) through which blood travels and circulates the body
Capillaries smallest of blood vessels
Cardiac relating to the heart
Circulation flowing (such as the flow of blood throughout the body)
Heart an organ consisting of 4 chambers; contracts to pump blood throughout the body
Heart Rate number of beats counted in one minute
Pulmonary Artery transports blood away from the heart to the lungs
Pulse regular throbbing of arteries cause by heart contractions; pulse can often be detected near the wrists or the sides of the neck
Veins blood vessels that carry blood to the heart
Ventricles two lower chambers on each side of the heart
Air Sac air-filled spaces in the body
Alveoli very small air sacs; where air breathed in goes
Bronchial Tubes two tubes at the end of the trachea, brings in air from trachea and helps clean lungs; one tube goes to the right lung, the other to the left lung
Diaphragm sheet-like muscle separating the chest from the abdominal cavity; creates a change in air pressure to draw air in and expand the lungs
Exhale to breathe out
Inhale to breathe in
Larynx voice box
Lungs two respiratory organs located in the chest; they are protected by the rib cage
Nasal Passages openings that allow inhaling and exhaling through the nose. Also called Nasal Cavity
Pharynx throat; collects incoming air from the nose and passes air to the trachea
Respiration inhaling and exhaling air; breathing
Ribs bones that protect and support the chest
Sinuses hollow spaces in the bones of the head; warm and moisten air that is inhaled
Trachea windpipe; passage from pharynx to lungs
Created by: heslab