Which system is responsible for transporting oxygen and nutrients throughout the body?

• nervous system

• digestive system

• circulatory system

• respiratory system

What is the main function of the respiratory system?

• Filter waste products

• Facilitate gas exchange

• Regulate body temperature

• Transport nutrients

Which system is responsible for breaking down food and absorbing nutrients?

• digestive system

• nervous system

• circulatory system

• respiratory system

What is the function of the nervous system?

• Produce and release hormones.

• Control body temperature and regulate metabolism.

• Filter waste from the blood and maintain fluid balance.

• Transmit signals and allow for communication and coordination of bodily functions.

Which system allows movement of the body and helps maintain posture?

• respiratory system

• nervous system

• skeletal system

• muscular system

What is the main organ of the circulatory system?

• lungs

• brain

• stomach

• heart

What is the process by which oxygen is taken in and carbon dioxide is expelled?

• photosynthesis

• digestion

• excretion

• respiration

Which system controls and coordinates all body activities?

• nervous system

• endocrine system

• digestive system

• respiratory system

Which system is responsible for the voluntary and involuntary movements of the body?

• nervous system

• muscular system

• endocrine system

• skeletal system

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

• To store food for later use.

• To absorb nutrients from food.

• To produce digestive enzymes.

• To break down food and mix it with digestive juices.