Human body systems

What is the main function of the digestive system?

• To break down food into nutrients that the body can absorb.

• To circulate blood throughout the body.

• To provide structural support to the body.

• To regulate body temperature.

What is the significance of the villi in the small intestine?

• To increase the surface area for nutrient absorption.

• To produce digestive enzymes.

• To transport waste products out of the body.

• To store bile for fat digestion.

What is the role of the diaphragm in respiration?

• To help expand and contract the lungs during breathing.

• To filter air before it enters the lungs.

• To produce sound during speech.

• To regulate blood flow in the lungs.

Which organ is primarily responsible for absorbing nutrients in the digestive system?

• Stomach

• Small intestine

• Large intestine

• Pancreas

What is the role of the stomach in the digestive system?

• To absorb nutrients from food.

• To break down food using acids and enzymes.

• To store food before digestion.

• To produce bile for fat digestion.

What is the function of the heart in the circulatory system?

• To filter toxins from the blood.

• To pump blood throughout the body.

• To produce hormones that regulate blood pressure.

• To store blood for emergencies.

What are the main components of the circulatory system?

• Heart, lungs, and blood.

• Heart, blood vessels, and blood.

• Heart, kidneys, and blood.

• Heart, blood vessels, and lymph.

Which system supplies oxygen to the blood and removes carbon dioxide?

• Digestive System

• Respiratory System

• Circulatory System

• Nervous System

What is the role of the large intestine?

• To absorb water and electrolytes from indigestible food matter.

• To digest proteins and fats.

• To produce bile for fat digestion.

• To filter toxins from the blood.

What is the primary function of the respiratory system?

• To take in oxygen and exhale waste such as carbon dioxide.

• To circulate blood throughout the body.

• To digest food and absorb nutrients.

• To regulate body temperature and maintain homeostasis.