Answer:
Sunscreen reduces the level of UV radiation, which causes damage to DNA, and slows the development of melanoma
The answer is d. you will recognize that heart tissue is tightly compacted and striated to allow the heart to beat, etc....
Osmosis of Water Across the Membrane. Osmosis is the tendency for water molecules to move from where there is a higher concentration to where there is a lower one. ... The cell membrane helps to regulate and slow down the flow of water into the cell. This is yet another way that the cell membrane helps maintain homeostasis
<span />An impulse moves from one neuron to another through the action of: neurotransmitters
