This is a school quiz. I am using it to study. It is about the human body.
Active transport is a way for cells to get the matierials they need.Cells use a carrier either to tranport matierials too large to pass through the cell membrane or to transport matierials against diffusion.Passive transport is the energy free movement of the matierials through the membrane.
Oppisite
The heart is a shape that is given out on valentine's day.
The heart is a blood vessel that pumps blood which then brought to the cells by the arteries.
Cappilaries are tubes that elp finish digestion.
Cappilaries are small blood vessels that help nutrients and oxygen reach every cell.
Diffusion is the process in which particles of a substance move from an area where thier are alot of particles of a substance.
I dont know
1.epithithiliol 2.Muscle tissue 3.nerveous tissue 4.Connective tissue
I dont know
1.circulatory system-transports oxygen,nutrients, and wastes through the body through the blood a.blood b.cappilaries c.arteries d.heart e.veins
The respitory System-
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