Answer: True
Explanation: Cell sends and receives signals from each other. This allows for our body to function correctly. For example your brain cells sends many signals to the rest of the body.
Where plants, animals, landscape and climate are all independent of each other.
Basically when doing exercise your body needs way more oxigen because it is using it up faster to be able to do the exercise. While also increasing the breathing rate, the heart rate also goes up because the body needs to pump more blood as the muscles are moving a lot more.
Answer:
cell membrane is the answer
he outer core of the Earth is a liquid layer about 2,260 kilometers thick. It is made of iron and nickel. This is above the Earth's solid inner core and below the mantle. Its outer boundary is 2,890 km (1,800 mi) beneath the Earth's surface.
