The whole human body is a lever system, that's how muscle work. Your joins are the fulcrum, your muscle contracts and hence is the effort. On the other side, whatever you're holding and the weight of your hand is the load. There are all 3 classes of lever system in your body.
How does the immune system
produce memory cells for antigens?
This is the BEST research
question for students to ask if they are conducting research on antibodies
because t<span>he answer to this question must tell about
production of B-cells, recognition of antigen, T-helper cells, colony formation,
and phagocytosis of foreign antigen, T-killer cells, and all other details which
is possible.</span>
An athlete or a person with some disease may vary in dietary needs.
<h3><u>Explanation</u>:</h3>
The diet is one of the most important part of a human life. The person gets energy, all the macro and micro nutrients from the food. They get to have all protective principles of food from diet. There's an average balanced diet formula which says that the amount of carbohydrate to fat protein in a diet should be 3:1:1.
But it varies according to person's daily need of energy. For an athlete, the amount of energy needed is much more. So the amount of fat and protein in diet should increase. For an obese person, fat and carbohydrate restricted diet should be used. For a person with renal failure, very low protein diet should be suggested.
Mitosis - Asexual, diploid, 1, 2, during the synthesis phase.
Meiosis- sexual, haploid, 2, 4, during the synthesis phase.
Answer:
embryos (the organisms early stage foetal development )