Water. the only 4 macromolecules are nucleic acid, carbohydrate, lipids, and protein
The muscular system contributes to maintaining homeostasis by working with other body systems to regulate body temperature and dilate or constrict blood vessels close to the skin's surface, according to OpenCurriculum. The muscular, nervous, cardiovascular, endocrine and integumentary systems work together to cause sweating and shivering in the body, which contribute to homeostasis.
Plant cells have plastids and larger vacoule and they also have tough cellulosic cell wall outer to cell membrane as a covering.
Animal cells don't have cell wall rather they have cell membrane as it's outermost covering and they have smaller vacuoles.They also don't have plastids.They have centrosome which is not found in plant cells.
Answer: Xylem
Explanation:
Xylem is a vascular tissue that helps in distributing water and minerals taken up by the roots.
It is located in the innermost portion of the stem, and is neatly arranged in a ring form
