How does blood flow through the heart? - Correct Answers Blood enters the heart through the
inferior and superior vena cava into the right atrium. The blood flows through the tricuspid
valve into the right ventricle. The oxygenated blood flows through four pulmonary veins from
the lungs into the left atrium, then to the left ventricle.
What is the specific site of gas exchange in the respiratory system? - Correct Answers Alveoli
What is hemoglobin? - Correct Answers It is a protein in red blood cells that carries oxygen
throughout the body. *low hemoglobin count may indicate you have anemia.
What is hypertension ? - Correct Answers Abnormally high blood pressure
* higher than 140 over 90 mmHg (millimeters of mercury).
What would a normal blood pressure reading show ? - Correct Answers Normal blood pressure
is below 120 systolic and below 80 diastolic
What does the parasympathetic nervous system do ? - Correct Answers slows the heart rate,
increases intestinal and gland activity, and relaxes sphincter muscles in the gastrointestinal tract.
(rest and digest)
What does the sympathetic nervous system do? - Correct Answers Accelerates the heart rate,
constrict blood vessels, and raises blood pressure
What does the autonomic nervous system do ? - Correct Answers Regulates the functions of our
internal organs (the viscera) such as the heart, stomach and intestines.
Where is most of our food digested? - Correct Answers The small intestine
inferior and superior vena cava into the right atrium. The blood flows through the tricuspid
valve into the right ventricle. The oxygenated blood flows through four pulmonary veins from
the lungs into the left atrium, then to the left ventricle.
What is the specific site of gas exchange in the respiratory system? - Correct Answers Alveoli
What is hemoglobin? - Correct Answers It is a protein in red blood cells that carries oxygen
throughout the body. *low hemoglobin count may indicate you have anemia.
What is hypertension ? - Correct Answers Abnormally high blood pressure
* higher than 140 over 90 mmHg (millimeters of mercury).
What would a normal blood pressure reading show ? - Correct Answers Normal blood pressure
is below 120 systolic and below 80 diastolic
What does the parasympathetic nervous system do ? - Correct Answers slows the heart rate,
increases intestinal and gland activity, and relaxes sphincter muscles in the gastrointestinal tract.
(rest and digest)
What does the sympathetic nervous system do? - Correct Answers Accelerates the heart rate,
constrict blood vessels, and raises blood pressure
What does the autonomic nervous system do ? - Correct Answers Regulates the functions of our
internal organs (the viscera) such as the heart, stomach and intestines.
Where is most of our food digested? - Correct Answers The small intestine
