human body systems

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

• Stomach

• Small intestine

• Large intestine

• Pancreas

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 are the main components of the circulatory system?

• Heart, blood vessels, and blood.

• Lungs, trachea, and bronchi.

• Stomach, intestines, and liver.

• Brain, spinal cord, and nerves.

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 system supplies oxygen to the blood and removes carbon dioxide?

• Digestive System

• Circulatory System

• Respiratory System

• Nervous System

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

• To pump blood throughout the body.

• To filter toxins from the blood.

• To produce hormones that regulate blood pressure.

• To store oxygen for later use.

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 to the large intestine.

• To regulate blood sugar levels.

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 bile for digestion.

• To regulate blood sugar levels.

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 function of the liver in the digestive system?

• To produce bile, which helps digest fats.

• To absorb nutrients from food.

• To filter toxins from the blood.

• To store vitamins and minerals.