Physiological Processes and Organ Systems Quiz

What are the changes in the body that occur during and after physical activity?

• Decrease in muscle condition

• Increase in sweat production

• Decrease in respiratory rate

• Decrease in heart rate

Which system is responsible for gas exchange in the body?

• Digestive system

• Respiratory system

• Excretory system

• Circulatory system

What is the main function of the circulatory system?

• Excreting waste products

• Transporting substances throughout the body

• Gas exchange

• Absorption of nutrients

What is the role of smooth muscle in the intestines?

• Transporting substances throughout the body

• Gas exchange

• Maximizing food absorption

• Rapid and continuous movement

Which type of tissue is found in the lining of blood vessels?

• Simple columnar epithelium

• Simple squamous epithelium

• Stratified squamous epithelium

• Stratified columnar epithelium

What is the main function of red blood cells in the body?

• Digesting food

• Excreting waste products

• Producing hormones

• Carrying oxygen and carbon dioxide

What is the primary component of blood plasma?

• Proteins

• Lipids

• Water

• Carbohydrates

What is the purpose of the folds and microvilli in the small intestine?

• To increase surface area for absorption

• To aid in gas exchange

• To produce digestive enzymes

• To store nutrients

What is the main function of oxygen in cellular metabolism?

• To produce energy

• To remove waste products

• To aid in digestion

• To regulate body temperature

What is the primary gas exchanged in the alveoli of the lungs?

• Oxygen

• Nitrogen

• Hydrogen

• Carbon dioxide