The body systems that contribute to the ability to supply cells ...

[lak]

The body systems that contribute to the ability to supply cells with necessary oxygen are:
 
  a. neural and cerebral.
  b. renal and circulatory.
  c. endocrine and digestive.
  d. cardiovascular and pulmonary.

Question 2

The site responsible for the largest amount of energy production is the:
 
  a. cell cytoplasm.
  b. nucleus.
  c. mitochondria.
  d. myofilaments.

[qytan]

Answer to Question 1

D

Answer to Question 2

C

[lak]

Both answers were spot on, thank you once again

[qytan]

Great! Please up vote