The pH of human blood is between a narrow range of 7.35 and 7.45. If a person's blood pH goes below 7.35 or above 7.45, the body counteracts changes in pH by releasing chemical buffers. This process of buffering changes in pH exemplifies which definition of life?
What will be an ideal response?
Maintain homeostasis
Biology & Microbiology
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Which layer of the digestive tract houses the blood and lymph vessels into which nutrients are transported?
A. lumen B. mucosa C. submucosa D. longitudinal muscles E. serosa
Biology & Microbiology
The geneticist Theodosis Dobzhansky famously wrote that "nothing makes sense in biology except in the light of _________".
Fill in the blank(s) with correct word
Biology & Microbiology
The keystone species in the African savanna is the elephant
Indicate whether the statement is true or false
Biology & Microbiology
What disease is characterized by erosions in the mucous membrane lining of the gastrointestinal tract, specifically the stomach?
A) Peptic ulcer disease B) Crohn's disease C) Cholethiasis D) Cholecystitis
Biology & Microbiology