Answer:
Tired
Because when you exercise your heart and pulse beats faster and faster making you very tired and also you might get sweaty
Explanation:
brainiest plz
Answer:
in controlled experiment an independent variable is systematically manupulated and dependent variable is measured ; any extraneous variables are controlled
Every cell in your body has the same genes/DNA but, the gene expression process decides which genes are active in which cells which is how each cell type gets it properties.
