Body Systems

What is the main function of the stomach?

• To absorb nutrients from food.

• To mix food with digestive juices.

• To store food before digestion.

• To produce insulin for blood sugar regulation.

What organ filters waste from the blood?

• Liver

• Heart

• Kidney

• Lungs

What is the role of the lungs?

• To filter blood and produce hormones.

• To exchange oxygen and carbon dioxide.

• To store air and regulate temperature.

• To assist in digestion and nutrient absorption.

What is the main function of the digestive system?

• To break down food and absorb nutrients.

• To circulate blood throughout the body.

• To provide structural support to the body.

• To regulate body temperature.

How many muscles make up the human body?

• Over 400

• Over 500

• Over 600

• Over 700

What connects muscles to bones?

• Ligaments

• Tendons

• Cartilage

• Muscle fibers

What is the function of red blood cells?

• To carry oxygen to the body's tissues.

• To fight infections in the body.

• To transport carbon dioxide away from the tissues.

• To regulate body temperature.

What is the largest organ in the human body?

• Heart

• Liver

• Skin

• Brain

What is the main organ in the circulatory system?

• Lungs

• Liver

• Heart

• Kidneys

What system regulates hormones in the body?

• Nervous system

• Digestive system

• Endocrine system

• Circulatory system