Answer:
Mast Cells
Explanation:
Mast cells release histamine in the blood stream, when they detect a substance that triggers an allergic reaction, also called an allergen.
This is a product of meiosis
Answer:
many alveoli are present in the lungs with a shape that further increases surface area. Thin walls - alveolar walls are one cell thick providing gases with a short diffusion distance. Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface.
Explanation:
Innate activities are activities that are intrinsic, which means activities that are part of our genetic and physiological being. Examples: desire to feel good, to feel warm, to have no pain,...
For dogs the innate activities are to run, to touch , to play, to go outdoors,...
According to these explanation the following activities seems to be innate for dogs:
B. Submitting to its owner - the dog has connection and life with his owner
Answer:
can not answer without the rest of the question
Explanation:
