Answer:
<u>1</u> Organ system : circulatory system
<u>2</u> Organ: heart
<u>3</u> Tissue : cardiac muscle
Explanation: I took the test
simple carbohydrates are things like starch, and fructose, complex carbohydrates are very compound materials of calories
Explanation:
i don't know but tell me more
Answer: the second screen shot is (a)
There is no picture for us to answer your question.