Answer:
high levels of oxygen
Explanation:
my science teacher once told me
Answer:
The correct answer is A. The portion of the brain responsible for conscious thought, reasoning, and abstract mental functions is the cerebrum.
Explanation:
The cerebrum is part of the central nervous system and comprise most of the human brain. The cerebrum processes impulses from sensory nerve cells and regulates voluntary movement. It is also the place where cognitive and emotional processes (including logical reasoning, planning, memory, emotion) take place.
The intestinal villi crypts will make a wave area on the intestine wall so it will broaden the surface area of intestine. When the surface area of intestine become broader, intestine will absorb more food.
There are exchanges that happen continuously in our bodies. One exchange is the gas exchange, or respiratory, system. This is the system where carbon dioxide is released from the lungs into the air, and oxygen is taken into the lungs from the air. This exchange happens in the air sacs of the lungs called the alveoli.
