Human Body Systems Quiz

What does the circulatory system primarily transport?

• Proteins and lipids

• Waste and toxins

• Oxygen and nutrients

• Hormones and enzymes

Which organ is part of the circulatory system?

• Kidney

• Heart

• Stomach

• Liver

Where does digestion start?

• Stomach

• Small intestine

• Mouth

• Large intestine

What is the main function of the large intestine?

• Breaking down food

• Producing enzymes

• Reabsorbing water

• Absorbing nutrients

Which type of muscle tissue is found in the heart?

• Skeletal

• Smooth

• Cardiac

• Voluntary

What does the central nervous system consist of?

• Bones and joints

• Brain and spinal cord

• Nerves and muscles

• Heart and lungs

What is the primary function of the respiratory system?

• Exchanging gases

• Producing hormones

• Digesting food

• Circulating blood

Where does gas exchange occur in the respiratory system?

• Alveoli

• Bronchi

• Larynx

• Trachea

How many bones does an adult human have?

• 206

• 300

• 250

• 150

What is produced in the bone marrow?

• Red blood cells

• Skin cells

• Muscle cells

• Nerve cells