Understanding the Human Body: Systems and Organization

Which of the following is the correct order of the levels of organization in the human body, from smallest to largest?

• Cells, tissues, organs, organ systems, organism

• Tissues, cells, organs, organ systems, organism

• Cells, organs, tissues, organ systems, organism

• Organ systems, organs, tissues, cells, organism

What is the primary function of the digestive system?

• To pump blood throughout the body

• To break down food into nutrients the body can use

• To support the body and protect vital organs

• To facilitate movement and locomotion

Which organ is responsible for filtering waste from the blood and producing urine?

• Liver

• Stomach

• Kidneys

• Heart

What is the main function of the skeletal system?

• To produce hormones

• To digest food

• To provide structure and support for the body

• To control body movements

Which of the following is NOT a function of the muscular system?

• Producing movement

• Maintaining posture

• Generating heat

• Filtering blood

The liver plays a crucial role in detoxifying substances in the body. Which system is the liver part of?

• Digestive system

• Circulatory system

• Respiratory system

• Nervous system

Which part of the digestive system is primarily responsible for water absorption?

• Stomach

• Small intestine

• Large intestine

• Liver

What is the primary function of the stomach in the digestive system?

• To absorb nutrients

• To produce bile

• To break down food with acids and enzymes

• To filter waste from the blood

Which organ system includes the bladder and kidneys?

• Digestive system

• Urinary system

• Respiratory system

• Circulatory system

Which of the following organs is NOT part of the urinary tract?

• Urethra

• Bladder

• Liver

• Kidneys