body systems review

What is the primary function of the respiratory system?

• To circulate blood throughout the body

• To remove waste products from the body

• To exchange gases (oxygen and carbon dioxide) with the environment

• To break down food into nutrients

Which organ is primarily responsible for the removal of liquid waste in the excretory system?

• Heart

• Stomach

• Lungs

• Kidneys

What is the main role of the digestive system?

• To convert food into simpler molecules that can be absorbed and used by the body

• To support the body and protect vital organs

• To facilitate gas exchange

• To pump blood throughout the body

Which type of muscle is responsible for pumping blood throughout the body?

• Smooth muscle

• Cardiac muscle

• Skeletal muscle

• Voluntary muscle

What is the primary function of the skeletal system?

• To digest food

• To remove waste products from the body

• To provide structure and support for the body

• To circulate blood

Which component of the circulatory system is responsible for carrying oxygen-rich blood away from the heart?

• Veins

• Capillaries

• Arteries

• Alveoli

What is the primary gas exchange by the respiratory system?

• Nitrogen

• Hydrogen

• Carbon dioxide

• Oxygen

Which organ in the excretory system stores urine before it is excreted from the body?

• Bladder

• Liver

• Kidney

• Pancreas

In the digestive system, where does the process of nutrient absorption primarily take place?

• Stomach

• Esophagus

• Small intestine

• Large intestine

What is the basic unit of structure and function in the muscular system?

• Muscle cells

• Nerve cell

• Blood vessel

• Bone