By breathing nitrogen from the atmosphere (it makes about 70ish percent of our atmosphere)
Injury in frontal lobe can cause to muscle weakness and language problems.
Answer:
Evolution refers to the change in the structure of an organism with the passage of million of years.
Explanation:
Evolution is the change in the structure of an organism with the passage of million of years. Evolution occurs due to two reasons, first from genetically while the other from adaptation to the environmental conditions. In genetically, the change in structure of animal comes from their parents whereas changes occurs due to adaptation of an organism in order to survive in the harsh climatic condition of the environment.
Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium.
Explanation:
