Integration of Body Systems Quiz

What is the normal pH range of human blood?

• 5.35 to 5.45

• 6.35 to 6.45

• 7.35 to 7.45

• 8.35 to 8.45

What role do chemoreceptors play in regulating breathing?

• Detect changes in blood pH

• Regulate body temperature

• Control the heart rate

• Detect changes in oxygen levels

What triggers an increase in the breathing rate during physical activity?

• Decreased carbon dioxide levels

• Increased oxygen levels

• Increased carbon dioxide levels

• Decreased oxygen levels

How does the body respond to a drop in blood pH?

• By decreasing breathing rate

• By increasing heart rate

• By increasing breathing rate

• By decreasing muscle activity

What device can be used to measure breathing patterns?

• Thermometer

• Spirometer

• Barometer

• Hydrometer

What is the primary purpose of using a spirometer in the experiment?

• To measure blood pressure

• To measure temperature changes

• To track breathing patterns over time

• To monitor heart rate

What is peristalsis?

• A wave of muscle contractions that moves food through the digestive tract

• A type of enzyme in the stomach

• A method of nutrient absorption in the intestines

• The process of breaking down food chemically

Which part of the nervous system controls voluntary movements in digestion?

• Peripheral nervous system

• Central nervous system

• Autonomic nervous system

• Enteric nervous system

Which part of the digestive system movement is voluntary?

• Swallowing initiation

• Peristalsis

• Enzyme secretion

• Nutrient absorption

What triggers the involuntary muscle movements in peristalsis?

• The central nervous system

• The enteric nervous system

• The peripheral nervous system

• The autonomic nervous system