Answer:
True
Explanation:
the Earth and the Moon are kept in orbit by gravity and mass.
Answer:
c. A piece of mesh, keeping some things out and letting some things in
Explanation:
The cell membrane of a cell is described as "selectively permeable". Permeable means things can go through it, but the word selectively is the important part. It lets things in, but it also keeps things out. This way it can regulate the different things that go in and out of the cell. It allows certain molecules that provide the cell nourishment and other things that help it function, and at the same time, it allows waste to move out of the cell. Not all needed molecules can go through the "mesh-like" membrane, that why some of them need help.
Yes organelles work together to maintain homeostasis by each performing different jobs that keep the cell alive.
Explanation:
nervous tissue is small unit of nervous system
Urine is the answer
Kidney is involved in maintaining water potential of the blood.it does so by producing urine.
