Biology is the study of living things or organism. It is a science of life. And it is a great affect of human development because and humans possesses both genetic and environmental surroundings. Genes are the first inheritance in all creatures that effects the appearance or purpose of an organism in definite manner.
Shame, embarrassment, anger
<span>Body Temperature Regulation
</span><span>Disease Protection and Healing
</span>Carbon dioxide and oxygen transportation
<span>Nutrient and Waste Product Transport
</span><span>Hormone Delivery
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When it involves granting favors it's called quid pro quo.