concepts of biology chapter 16 the body’s systems powerpoint image slideshow
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Homeostasis set pointTRANSCRIPT
CONCEPTS of BiologyChapter 16 THE BODY’S SYSTEMS
PowerPoint Image Slideshow
Homeostasis
set point
Thermoregulation
ectotherm endotherm
insulation
shivering
“goose bumps”
circulatory systems
behavior
Figure 16.2
The body is able to regulate temperature in response to signals from the nervous system.
fever: resetting the thermostat to a higher value
Osmoregulation
maintaining salt and water balance
Excretory System
also see Figure 16.3
The kidneys filter blood and form urine, which is stored in the bladder until it is eliminated through the urethra.
Dialysis can do only about 10% of the work that a functioning kidney can do and frequently causes other severe health problems ... the average life expectancy of a person on dialysis is only about 5 years.
Read more: http://www.livingkidneydonorsearch.com/living-donation/dialysis-a-poor-option/
Digestive System
Figure 16.4
salivary glands
esophagus
an autoimmune disorder that can occur in genetically predisposed people
Figure 16.6
The large intestine reabsorbs water from undigested food and stores waste until it is eliminated. (credit: modification of work by Mariana Ruiz Villareal)
Circulatory and Respiratory Systems