Answer:
False
Explanation:
Humans all around the world has a body temperature similar, humans like all the mammals are endothermic (the body temperature is regulated for itself) animals, this means that our temperature doesn't change according to the climate.
Also the flow of the blood in our body changes according to the heart rate, while more bits per second our heart does, more blood flows in our extremities.
So it's false that human evolved in colder have more blood flowing into their extremities, and at a hotter temperature, than people living in warmer climates.
Mary Dimmick Harrison - First Lady (1889-1893)
Answer:
Neurons communicate with each other by synapses
Explanation:
Neurons send signals to other neurons through synapses. The most common type is chemical synapse; a chemical synapse occurs between the axon terminal of the neuron that sends the message and the dendrite of the neuron that receives the message. The first one is known as the presynaptic cell and the last one is known as the postsynaptic cell. Moreover, in a chemical synapse, the presynaptic and postsynaptic cells don’t touch each other as they are separated by a very tiny gap known as a synaptic cleft. The chemical synapse transforms an electrical signal (which is the action potential in the presynaptic cell’s axon) into a chemical signal (which is the neurotransmitter) and back to an electrical signal (the postsynaptic potential) in the postsynaptic cell.
Part 1:
The carbon-monoxide, carbon-dioxide, and other harmful gasses are being released into the environment by the factory causing the air to be polluted.
Part 2:
The factory is putting in mechanical work, so the energy coming out is mechanical energy which is being transformed into chemical energy in the form of harmful gases.
Part 3:
This process is a recycling of carbon in the carbon cycle because along with adding carbon-dioxide to the air, it also provides photosynthetic autotrophs with carbon-dioxide which is required for photosynthesis. This will then be turned into oxygen which is used for cellular respiration in animals.
