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Health unit 5

Terms in this set (25)

cartilage
a tough, supportive tissue that is softer and more flexible than bone
joint
the point at which two or more bones come together
marrow
the soft tissue that fills the spces inside bones
fracture
a break or crack in a bone
sprain
an overstretched or torn ligament
osteoporosis
a condition in which bones become weal and break easily
anabolic steroids
an artificial form of the male hormone testosterone that is used to increase muscle size and strength
strain
a pulled muscle
neuron
a type of cell that carries messages, or impulses, from one part of your body to another; basic unit of the nervous system
spinal cord
a thick column of nerve tissue in the central nervous system that link the brain to most of the nerves in the peripheral nervous system
concussion
a bruiselike injury to that brain cause by brain tissue hitting the skull during a collision
ventricle
a lower chamber of the heart that pumps blood out of the heart
hypertension
blood pressure that is consistently over 140/90 or greater
asthma
a disorder in which respiratory passageways become inflammed and narrow during attacks, leading to difficulty breathing
aerobolic exercise
An ongoing physical activity that raises your breathing and heart rates
anaerobolic exercise
intense physical activity that lasts only from a few seconds to a few minutes
dehydration
excessive water loss in the body
overtraining
exercising too intensively or too long without allowing enough time for rest
Provides support, protects internal organs, allows your body to move, and stores and produces materials your body needs
What are five functions of the skeletal system?
Smooth muscle: an involuntary muscle that causes movements in your body. Cardiac muscle: involuntary muscle found in your heart. Skeletal muscle: muscles that you control to do activities
Identify and describe the three types of muscle tissue that your body has
cerebrum: part of the brain that consists of several specialized regoins that receive messages from sense organs, and control movement, memory, communication, and reasoning. Cerebellum: coordinates your body's movements and helps you keep your balance. Brain stem: consists of three structures that control many of your body's involuntary actions
list the three main areas of the brain and describe the function of each part
Delivering materials to cells, and carrying waste away. Blood also contains cells that fight disease
What are the main functions of the cardiovascular system
Plasma, red blood cells, white blood cells, and platelets
Name the components of blood
The air goes through the nose, pharynx, larynx, trachea, bronchus, and lung. The diaphragm contracts and flattens when you inhale
describe the pathway of aur when you inhale and the action of the diaphragm
Cardiorespiratory endurance, muscular strength, muscular endurance, flexibility, and body composition
what are the five components of fitness?
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