Question

Which of the following organ systems transports materials such as nutrients, oxygen and hormones to body cells and transports carbon dioxide and various waste products away from cells?

• A. Digestive system
• B. Respiratory system
• C. Circulatory system
• D. Endocrine system
• E. Nervous system

Answer 1

Answer: (C)

Circulatory system

• The digestive system includes the alimentary canal and associated glands to carry out the digestion of food and release the energy stored in these food substances.
• The respiratory system is responsible for breathing and the exchange of respiratory gases.
• The circulatory system serves many duties, such as transportation of gases, nutrients, hormones, and waste products across the body.
• The endocrine system includes endocrine glands and maintains the homeostasis of the body through hormonal actions.
• The nervous system serves in the reception of sensory input followed by their integration in the brain and spinal cord and generation of motor output to produce a response.

So, the correct answer is option C.