System purifies the body by the elimination of waste products. This system enables breathing, supplies the body with oxygen, and eliminates carbon dioxide as a waste product. This system serves as a productive covering for the body and helps in temperature regulation.
"chloroplast and animals" are not a match, since chloroplast only exists in plants and smalls cells for the purpose of utilizing photosynthesis. Animals do not require this process.
Answer:
Precipitation
Explanation:
Although the options are missing in the question, one word that can be solely used for rain, sleeet, snow and hail is "<u>preciptation</u>".
Principally, precipitation is a meteorological phenomenon that allows the <u>condensation of atmospheric water vapors</u> to make them fall on the Earth's surface under gravity. It is important to consider that fog and frost couldn't be considered as precipitation because, in these processes, water vapours don't fall on the Earth's surface.
Answer:
The finger like projections of the small intestines are called villi.
Explanation:
The structure of villi is just like human finger. Villi increases the surface area of small intestine which increases the absorption. Villi is a part of small intestine which is responsible for the absorption of nutrients that are present in the food particles. These nutrients are again combined with the blood and used by the body. Villi do not helps in the digestion of food substances, they can only absorb.