Chemistry, 05.06.2020 02:05 trinitymarielouis

The immune system consists of two main parts or system. One system works 24/7 and protects your regardless of what type of microorganism is encountered. This system is called the system. The other system requires recognition of the invader to react and begin to fight back an infection. This is called the system.

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Answer from: jamesc24

Part A. The Innate immune system

Part B. The adaptive (or active) immune system

Explanation:

The immune system refers to the organs, tissues cells and proteins which work together to protect the body from harmful invaders that cause disease such as micro-organisms like viruses, bacteria, etc.

Organs and tissues that form part of the immune system include the thymus and bone marrow, lymph nodes and vessels, spleen, and skin.

The main immune cells are the white blood cells, also called leukocytes. Some types of white blood cells, called phagocytes engulf invading organisms. Others called lymphocytes help the body remember the invaders and destroy them. The two kinds of lymphocytes are B lymphocytes and T lymphocytes, whose name depend on where they mature. Lymphocytes start their life in the bone marrow and either stay there and mature into B cells, or go to the thymus gland to mature into T cells.

The immune system consists of two main parts or system.

Innate immunity: This refers to the immunity one is born with. Innate (or natural) immunity, provides a general type of protection. For example, the skin acts as a barrier to block germs from entering the body. Adaptive (or active) immunity: This refers to the immunity one develops throughout their lives. It is developed when one is exposed to diseases or when one is immunized against them with vaccines.

Answer from: Quest

definition

entropy is a measure of the randomness or the extent of disorder of a chemical process.

enthalpy is a measure of the heat change of a reaction occurring at a constant pressure.

measurement units:

entropy is measured in joule per kelvin (jk⁻¹) whereas enthalpy is measured in joule per mole (jmol⁻¹)

requirements:

entropy has no requirements or limits, and its change is measured by the division between the heat change of the chemical process and the temperature.

in contrast, enthalpy can only be related to the heat change of the reaction under standard conditions.

Answer from: Quest

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