Question

question 14. body systems rarely work independently of one another. for example, the muscular system works closely with other body systems to maintain homeostasis. muscle cells require a constant supply of oxygen so that the muscles can contract. which body systems are responsible for providing oxygen to the cells in this system? a. muscular system and excretory system b. nervous system and respiratory system c. digestive system and circulatory system d. respiratory system and circulatory system

Explanation:

Muscle cells need oxygen for contraction. The respiratory system takes in oxygen and the circulatory system transports it to the muscle cells.

Answer:

D. Respiratory system and circulatory system