While you didn't provide any following sources, healthy sources of energy for humans are usually considered to be different types of fruits and vegetables, lean meats, wholewheat grains, nuts, seeds, and healthy oils. All these constitute a healthy human diet and are a healthy source of energy.
Washing your hand before every procedure; C
Paranoia, hallucinations, talking nonsense words, delusions.
This questions is quite open, so options are endless.
Answer:
A heart is a cardiac muscle.
Explanation:
It pumps blood through the body.
