D. He has an aerator that pumps bubbles into the tank
To Show order of events and time periods in geological time and Order of events and ages
Answer:
Something that an antibody or T-lymphocyte binds to
Explanation:
As per the definition, antigens are the substances or molecules that are capable of inducing an immune response. When our immune system detects any unwanted substance or molecule in our body, the specific type of antibody is made against that antigenic substance and the antibody made against it binds to the antigen so that the other immune cells can recognize it and destroy it and protect us form its harmful effect. T-cell are also involved in recognizing antibodies and specific T-cell can bind to the antigen.
The heart
hope it's fine :P
The importance of temperature regulation is to keep the enzyme produced by the body in the optimal range. Enzyme is a protein that can be denaturated in higher temperature but works slowly in lower temperature. That is why the enzyme needs to keep on the optimal temperature.
The high amount of water in the body will help distribute the heat. Water also need high thermal energy to increase its temperature so it will stabilize the temperature.
