Human Body Quiz 2 (Digestive, Cardiovascular, Respiratory)

What is the primary function of the digestive system?

• To circulate blood throughout the body

• To break down food and absorb nutrients

• To exchange gases with the environment

• To protect the body from pathogens

Which organ is responsible for nutrient absorption in the digestive system?

• Stomach

• Small intestine

• Large intestine

• Esophagus

In which organs does chemical and mechanical digestion take place?

• Mouth and stomach

• Stomach and small intestine

• Small and large intestine

• Mouth and Small intestine

Which part of the digestive system is primarily involved in water absorption?

• Stomach

• Small intestine

• Large intestine

• Pancreas

Match the description to the term

• Peristalsis

• Increases the surface area of the small intestine to absorb nutrients

• Villi

• Mashed up food and acids. Created in the stomach

• Chyme

• Mass of chewed food and saliva

• Stool

• Wate product of the digestive system

• Bolus

• Muscle contractions that move food down the esophagus

Also known as our voice box

• Trachea

• Bronchi

• Larynx

• Alveoli

What is the primary function of the alveoli in the respiratory system?

• To filter air

• To exchange gases with the blood

• To produce mucus

• To warm and humidify air

Which muscle plays a crucial role in the process of breathing?

• Diaphragm

• Biceps

• Quadriceps

• Trapezius

What is the main function of the cardiovascular system?

• To digest food

• To circulate blood and transport nutrients, oxygen, and waste

• To exchange gases with the environment

• To protect the body from pathogens

Which chambers of the heart receive blood.

• Atria (atrium)

• Ventricles