Question

sam had a disease that weakened his heart so it could not pump properly. this caused him to have low energy because his cells couldnt get the nutrients they needed. based on this, the disease primarily affected the functions of which two systems?
o skeletal system and digestive system
o muscular system and cardiovascular system
o integumentary system and muscular system
o excretory system and cardiovascular system

Explanation:

The heart is part of the cardiovascular system. If the heart is weakened and can't pump properly, it affects the cardiovascular system. Also, since cells can't get the nutrients they need due to the heart - related issue, the digestive system is also affected as it is responsible for nutrient absorption and distribution.

Answer:

D. skeletal system and digestive system