Answer:
Mast cells are a type of white blood cells that is found in connective tissues all through the body, especially under the skin, near blood vessels and lymph vessels, in nerves, and in the lungs and intestines.
Answer: The correct answer is hormone
Explanation:
A hormone is a chemical substance produced by an organ (usually called gland) and on production is released directly into the bloodstream to be transported to another part of the body (usually called target organ) where its exert its function.
An example of hormone is thyroxine, it is produced by the thyroid gland in the neck and exert function on almost all cells of the body
Answer:
Option 3 (Snow accumulates on land and doesn't melt)
Explanation:
An iceberg is different than a glacier because a glacier is literally a big terrestrial ice chunk.
I don't have time to help with the others and I couldn't see them sorry!
1 is c 2 is d 3 is a 4 is b
Answer:true
Explanation: cause heterozygous means that 2 or more of offspring genes are recessive