Answer:
Sensing danger and sweating
Answer: Cells
Explanation:
The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs.
Answer:
70mins
Explanation:
i don't have one I just know
Answer:
D. The digestive system breaks food down into the molecules that can be used in respiration.
Explanation:
1. Phosphate
2. Pentose sugar
3. Nitrogenous Base
