Which description BEST matches the system with the function?

The muscular system is responsible for movement. The nervous system allows you to respond to stimuli. The respiratory system allows you to take in oxygen.

The urinary system allows you to eliminate solid waste. The digestive system is responsible for absorption of valuable nutrients. The circulatory system transports important molecules.

The respiratory system eliminates waste. The endocrine system helps you fight off infection. The skeletal system protects the body.

The integumentary system allows you to reproduce. The immune system is responsible transporting valuable nutrients. The digestive system eliminates liquid waste.