The picture it’s not clearly
Answer:
Explanation:
Stem cells are cells with the potential to develop into many different types of cells in the body. They serve as a repair system for the body.
Answer:
True
Explanation:
The crust makes up less than 1% of earths mass.
Parietal cells produce gastric acid (hydrochloric acid) in response to histamine (via H2 receptors), acetylcholine (M3 receptors) and gastrin (gastrin receptors). Parietal cells contain an extensive secretory network (called canaliculi) from which the HCl is secreted by active transport into the stomach.
