Answer:
The left atrium pumps blood into the lungs!
Explanation:
Answer:
The correct answer is option B.
Explanation:
Homeostasis is the process or mechanism of trying to maintain equilibrium while interaction with the outside world. An example of maintaining homeostasis in the system level would be the endocytosis and exocytosis of a substance.
Endocytosis and exocytosis are the mechanisms in which molecules are brought into the cell and out of the cell depending on their need to the cell.
Thus, the correct answer is option B.
Answer:
The correct answer is - Archaea and Bacteria.
Explanation:
There are three different domains of life on earth; Archaea and Bacteria are two domains that are completely single-celled prokaryotic cells that lack a nucleus and other double-membrane organelles.
These both domains are very much similar and has their own difference to be categorized in two other domains. The eukarya domain on other hand has different kinds of organisms like unicellular to multicellular organisms.
These organelles are the-- cell walls,vacuoles,cytoplasm,chloroplasts,nucleus, and cell membrane.
Hope this helps you<3
Red blood cells carry oxygen around the body. These specialized cells are outfitted with the substance hemoglobin, which is a protein, and is the actual oxygen carrying molecule on the cell. The cell has a unique shape that allows it to carry as much oxygen molecules as possible. Red blood cells also transport carbon dioxide away from cells and back to the lungs where the cells are then re-oxygenated.
