Answer:
Organ systems: human body and circulatory system
organs: heart
tissue: muscle
Explanation:
The shortened form of the unit that Kevin's bag was weighed in would be Lbs.
Answer:
It is thin tissue that lines the alveoli
Hope this helps.
The series of canals used to transport materials throughout the cytoplasm in the cell is Endoplasmic reticulum. It comprises of the rough endoplasmic reticulum, with the ribosomes attached to its surface and the smooth endoplasmic reticulum( no ribosomes attached)