Answer:
The right atrium takes blood from the veins and pumps it into a ventricle
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A cell theory.
Since cells are the basic unit of structure in all organisms and also the basic unit of reproduction.
Answer:
<h3> (a) Why his cycle gets rusted? </h3>
<h3>Answer :-</h3>
His cycle got rusted bcoz as his cycle was made of iron which came in contact with oxygen and got rusted.
<h3>(b) What do you mean by rusting of iron?</h3>
<h3>Answer :-</h3>
Rusting is the phenomenon of the deposition of a reddish-brown coating on the surface of iron by the action of moist air, and the reddish-brown coating is known as rust.
<h3>(c) What values are shown by Rahul’s father?</h3>
<h3>Answer :-</h3>
He knew that the cycle would surely get rusted in the presence of water and oxygen. This shows his knowledge of science.
Explanation:
<h2>Hope it helps you ツ</h2>
Answer:
trapping microorganisms
Explanation:
The primary role of the lymphatic system is to transport lymph through the body. Lymph is a fluid that contains white blood cells that fight with infection. Besides this immune function, lymphatic system has a role in fat and vitamin absorption and transportation.
Lymphatic system consists of vessels similar to blood vessels and nodes where the lymph is filtered. Lymph capillaries are closed on one side, so lymph does not circulate, but only drains to reach veins. In lymphatic system there is no such thing as a pump (only lymphatic vessels and lymph nodes).
D. is the heterotrophism hypothesis, but it is questionable that it is the "strongest" hypothesis. The alternately proposed option is autotrophism, which is the ability of an organism to obtain its own nutrients without relying on other organic materials. The potential advantage of autotrophism is its relatively simpler structure, making a simpler organism viable because it is potentially less complex and "easier to create."
