heart, arteries, and veins
1. 2
2. 34
3. 34
4. 2
Explanation:
2
34
34
2
Habitat, community, ecosystem,biome, biosphere
Proteins perform numerous functions in the cell membrane, one of which is to regulate the movement of materials, atoms of elements and other ions as they are entering and exiting the cell. These proteins that play this significant role, would be classified as transmembrane proteins, which are specific kind of intergral proteins.
Answer:
I'm pretty sure it's transport blood cells
