Cardiorespiratory endurance involves these systems Group of answer choices A. Respiratory and digestive B. Digestive and circulatory C. Circulatory and respiratory

C.Circulatory and respiratory

Explanation:

It's literally in the name

Cardio=Circulatory system

Respiratory=respiratory system

answer: option c. i.e. electric current flowing “downhill” from the negative electrode to the positive electrode in a battery

explanation:

the water analogy to the circuits define the pipes (water flows) to the electric current. now, we know that the electric current flows from the positive terminal to the circuit (as shown in the diagram attached).

hence, option c is the correct answer.

i. like it i'm gonna edit it tomorrow