How does each cell receive food?

1.cells pass through the bloodstream
2.blood passes through each cell
3.food is absorbed through cell membranes
4.none of the above

What is the function of the nucleus in the euglena cells you observed?

Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next

Brian has a medical condition called cone dystrophy, which is a disorder of the cone cells in the eye. what symptoms would you expect brian to have? a. inability to see in the dark b. difficulty determining colors c. difficulty determining shapes and outlines d. inability to see in all light conditions