The walls of veins are thinner than arteries The blood pressure in veins is less than that in arteries.
Answer:
absorption of water
because the picture is a plant cell and the vacoule is very large in which it contains the solution of the cell
Answer:
Generally, a seismograph consists of a mass attached to a fixed base. During an earthquake, the base moves and the mass does not. The motion of the base with respect to the mass is commonly transformed into an electrical voltage. The electrical voltage is recorded on paper, magnetic tape, or another recording medium.
Phylum Porifera
The phylum Porifera ("pore-bearing") consists of approximately 5,000 species of sponges. These asymmetrical animals have sac-like bodies that lack tissues, and are usually interpreted as representing the cellular level of evolution
Answer:
your body produces melatonin it is to help you fall asleep
Explanation:
