NMU BI 112 Exam 4 (Final Exam) Strand Questions and Answers Rated A+
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Course
NMU BI 112
Institution
NMU BI 112
NMU BI 112 Exam 4 (Final Exam) Strand
Questions and Answers Rated A+
What is the primary function of the nephron in the kidney?
The nephron filters blood to remove waste products and regulate water and electrolyte
balance.
How does the respiratory system maintain blood pH?
The respiratory...
NMU BI 112 Exam 4 (Final Exam) Strand
Questions and Answers Rated A+
What is the primary function of the nephron in the kidney?
✔✔The nephron filters blood to remove waste products and regulate water and electrolyte
balance.
How does the respiratory system maintain blood pH?
✔✔The respiratory system regulates blood pH by controlling the levels of carbon dioxide, which
affects the acidity of the blood.
What is the significance of the myelin sheath in nerve cells?
✔✔The myelin sheath insulates axons, allowing faster transmission of electrical impulses along
the nerve.
What role do hormones play in homeostasis?
✔✔Hormones help maintain homeostasis by regulating processes such as metabolism, growth,
and water balance in the body.
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, How do the alveoli facilitate gas exchange in the lungs?
✔✔Alveoli provide a large surface area for oxygen and carbon dioxide to be exchanged between
the air and the blood.
What is the function of the lymphatic system in immune response?
✔✔The lymphatic system transports white blood cells and filters pathogens, playing a key role
in defending the body against infections.
How do sensory neurons transmit information to the brain?
✔✔Sensory neurons detect stimuli from the environment and send signals to the brain for
interpretation.
What is the role of the liver in digestion?
✔✔The liver produces bile, which helps in the digestion and absorption of fats.
How do antigens trigger an immune response?
✔✔Antigens are foreign substances that stimulate the production of antibodies and activate
immune cells to fight off infections.
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