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Results for: 'respiratory and circulatory systems'
By: Administrator, Views: 10843
Acute exacerbations of asthma can require management in the emergency department. The child is placed in a semisitting position to facilitate respiratory effort.
By: Administrator, Views: 10770
The clinical manifestations of sickle cell anemia result from pathologic changes to structures and systems throughout the body.
Lung Sounds Animation (2 of 5)
By: Administrator, Views: 323
Respiratory rates for some different age groups: Newborn 30 – 80/min 1st year 20 – 40/min 5th year 20 – 25/min 15th year 15 – 20/min Adult 12 – 20/min
Structures that affect circulation - arterioles and vasomotor responses and venous return
By: HWC, Views: 7791
■ Small arteries and arterioles determine SVR. • Blood pressure drops significantly as blood passes through arterioles. • Decreasing arteriole radius and decreased wall elasticity are the main reasons for increased SVR. ■ Small changes in arteriole radius can cause large changes in ...
Components of the Nervous System
By: Administrator, Views: 433
The nervous system is the part of an animal that coordinates its actions by transmitting signals to and from different parts of its body. The nervous system detects environmental changes that impact the body, then works in tandem with the endocrine system to respond to such events. Nervous tissue...
By: HWC, Views: 7793
• The respiratory system is responsible for the movement of gases involved in cellular metabolism. • Oxygen is used up and carbon dioxide is generated during the aerobic breakdown of glucose and other fuel molecules in order to produce ATP. • Three important continuous physiological pro...
Control of ventilation rate by other brain centers (posts, hypothalamus & cerebral cortex)
By: HWC, Views: 7667
Forced ventilation: • The inspiratory area stimulates accessory inspiratory muscles. • Inspiration is more forceful. • Inspiratory area activates expiratory area, which sends impulses to the expiratory muscles (internal intercostals and abdominal muscles). • Expiration muscles c...
Embryonic development - Week 4
By: HWC, Views: 7936
• The flat trilaminar embryonic disc undergoes embryonic folding to form a three-dimensional cylinder shaped embryo. • Most organ systems continue, or start, to develop (organogenesis): • The nervous system and chorion continue to develop. • The heart and the rest of the cardiovas...
By: Administrator, Views: 11108
How smoking triggers asthma attacks and respiratory issues. Secondhand smoke is smoke from burning tobacco products, such as cigarettes, cigars, or pipes. Secondhand smoke also is smoke that has been exhaled, or breathed out, by the person smoking. Tobacco smoke contains more than 7,000 ...
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