Answer:
In the first diagram the weakened pathogen (weaker version of the disease) is inserted into the bloodstream.
In the second diagram the antibodies kill the weakened pathogen. When the immune systems encounters a new disease it "remembers it".
This is why in the third diagram, when the "real" pathogen enters the bloodstream the immune system can effectively kill the disease. As the immune system "remembers" how to defeat the weakened version it can more effectively kill the "real" version.
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Answer : Groundwater is generally much cleaner than surface water. So ✨Yes✨
Why : Groundwater is less susceptible to pollution than surface water because as water enters the ground, the soil and rocks naturally filter much of the water as it passes through the ground.
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So, as you know, when a sperm cells (Male sex cell) meets the Egg cell (Female Sex Cell) it forms something called a zygote. And from that point on, the egg cell reproduces more and more (making more cells) in a type of cell called a stem cell, which can be used for anything the body needs. The newborn babies keep these cells up until birth or the incubation (growth of the baby in the mother's uterus), and then they are ready to be born.
Answer:
No, lysosomes and vacuoles are not the same.
lysosomes are membrane bound sacs filled with digestive enzymes.
they digest a by foreign material and the worn out cells
they are known as the (brainly won't let me use the right word) <em><u>k</u></em><em><u>i</u></em><em><u>l</u></em><em><u>l</u></em><em><u>i</u></em><em><u>n</u></em><em><u>g</u></em><em><u> </u></em><em><u>i</u></em><em><u>t</u></em><em><u>s</u></em><em><u>e</u></em><em><u>l</u></em><em><u>f</u></em><em><u> </u></em>bags of the cell.
vacuoles are storage sacs of the cell for solid or liquid contents.
they are very small in animals and large in plant cells.
they provide the cell with turgidity and rigidity.
Explanation:
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