摘要: Describes the effects of high altitude on the human body, explains oxygen's role in respiration, and looks at what altitude illness can teach us about other respiratory problems.年份: 1998 收藏 引用 批量引用 报错 分享 全部来源 求助全文 Semantic Scholar 相似文献...
Effects of altitude versus economic status on birth weight and body shape at birth. Pediatr Res. 2001;49(4):490-494. doi:10.1203/00006450-200104000-00009 PubMedGoogle ScholarCrossref 16. Beall CM. Adaptation to high altitude: phenotypes and genotypes. Annu Rev Anthropol. ...
The reaction of hemoglobin and oxygen is complicated. Explain some of this relationship, in regards to the Hb-O2 saturation curves, and why breathing at altitude is more difficult, and CO2's role. (me During hyperventilation too much carbon dioxide leaves the lungs...
will be presented herein. In extension of changes in the conventional measures of hemoglobin concentration and hematocrit, assessment of hemoglobin mass and total blood volume using the (safe, low-cost and time-efficient) CO-rebreathing technique could deepen scientific knowledge on the efficiency of ...
Pre-adaptation, adaptation and de-adaptation to high altitude in humans: hormonal and biochemical changes at sea level High altitude residence is known to modify body biochemistry and hormone status. However, the effects of such a sojourn on these status observed at sea lev... G Savourey,N Ga...
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In the first sample (N=78), participants were tested for salivary cortisol and state anxiety (Spielberger State Anxiety Scale) during the plane's 15-min ascent to altitude in immediate anticipation of the jump. In a second sample (N=20), participants were tested for salivary cortisol, as ...
Whether you have a brick-and-mortar business or a service area, local search engine results can have powerful effects on your online traffic patterns—and your bottom line. For all the growth in e-commerce, 90% of financial transactions still take place in person and over three quarters of ...
sailors judge wind currents with higher precision than previously possible. The complete system is installed in a van, inset, that can be brought to various harbors. The Doppler lidar system scans the sky at up to 10° per second, at an altitude of up to 10 m. Courtesy of Zhi-Shen Liu...
From Sea Level to Summit | You, At Altitude | The Kili Cure | How to Reach Your Peak You, At Altitude The highter you go, the more your body has to adapt. Here’s what happens–from the inside out. No matter where you travel on Earth, the concentration of oxygen in the air rema...