The difference between the time of the heartbeat and the pulse makes the animal Pulse Deficit.
B and D. The xylem and the phloem make up the vascular tissue of plants and transport water, sugar, and other important substances around a plant.
The cells that die are emptied, leaving hollow cell walls with their ends open, thus forming pipe-like structures
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Humoral immunity protects the body against extracellular pathogens and Cell mediated immunity protects the body from intracellular pathogens .
Humoral immunity: It is the process adaptive immunity manifested by the production of antibodies by B lymphocytes. It develops the bone marrow. B cells may be trigged to proliferate into plasma cells.
Cell mediated immunity: Cell mediated immunity is an immune response that does not involve antibodies but rather involves the activation of macrophages and NK cells.
Humoral immunity and cell mediated immunity works together with assistance from helper T cells, B cells.
Learn more about how humoral and cell mediated immunity help each other
brainly.com/question/9924784
Answer:
pangea
Explanation:
once all of the world was connected and we call that pangea then over time the continental plates moved making the earth formation we know now. the theory is that could the dinosaurs have moved while pangea was still a thing.
