The building blocks of a triglyceride are ________
A) three fatty acid chains and one glycerol molecule
B) one fatty acid chain and one glycerol molecule
C) four interlocking rings of carbon and hydrogen atoms
D) amino acids
E) nucleotides
A
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Cerebrospinal fluid is identical to blood plasma
Indicate whether this statement is true or false.
Which of the following is located closest to the rectum?
A. ascending colon B. descending colon C. transverse colon D. sigmoid colon E. cecum
If one inspires through their nose, which of the following answers has the correct order of structures the air would move through?
A) Nares ? Nasal Cavity ? Vestibule ? Nasopharynx ? Oropharynx ? Laryngopharynx ? Larynx ? Trachea ? Primary Bronchus ? Secondary Bronchus ? Tertiary Bronchus ? Bronchiole ? Terminal Bronchiole ? Respiratory Bronchiole ? Alveolar Duct ? Alveolar Sac ? Alveolus B) Nares ? Nasal Cavity ? Vestibule ? Nasopharynx ? Oropharynx ? Laryngopharynx ? Larynx ? Trachea ? Primary Bronchus ? Secondary Bronchus ? Tertiary Bronchus ? Bronchiole ? Respiratory Bronchiole ? Terminal Bronchiole ? Alveolar Duct ? Alveolar Sac ? Alveolus C) Nares ? Vestibule ? Nasal Cavity ? Nasopharynx ? Oropharynx ? Laryngopharynx ? Larynx ? Trachea ? Bronchiole ? Respiratory Bronchiole ? Terminal Bronchiole ? Primary Bronchus ? Secondary Bronchus ? Tertiary Bronchus ? Alveolar Duct ? Alveolar Sac ? Alveolus D) Nares ? Vestibule ? Nasal Cavity ? Nasopharynx ? Oropharynx ? Laryngopharynx ? Larynx ? Trachea ? Primary Bronchus ? Secondary Bronchus ? Tertiary Bronchus ? Bronchiole ? Respiratory Bronchiole ? Terminal Bronchiole ? Alveolar Duct ? Alveolar Sac ? Alveolus
During fasting, some capillary beds in the digestive tract are closed and therefore have no blood flow. Others are open to meet the minimal need of the tract for blood flow. During eating and as long as food is present in the tract, all capillary beds open to flow. What happens to total cross-sectional area of vessels in the digestive tract?
What will be an ideal response?