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Endocrine/Immune System
Endocrine
System
WHAT IS THE ENDOCRINE SYSTEM?
General
The endocrine system is the collection of glands that produce hormones
The word endocrine derives from the Greek words "endo," meaning within, and "crinis," meaning to secrete
What is Included in the Endocrine System?
Organs and Their Location
- Pituitary Gland
- Thyroid Gland
- Parathyroid Glands
- Adrenal Glands
- Pancreas
- Ovaries
- Testes
- Hypothalamus
- Pineal Body
What is the Immune System?
Immune System
The immune system is a collection of structures and processes within the body that protect against disease or foreign bodies that may enter the body.
White Blood Cells Available for Immune Response
Leukocytes
- Neutrophils - first cells to respond to the response of invaders
- Eosinophils - fights off bacteria and responds to infections with parasites
- Lymphocytes - kills many foreign bodies and responds to infections with parasites
Purpose
Purpose
The purpose of the endocrine system is to produce and supply the body with the necessary hormones to regulate cell and organs.
Difference between Animal and Human Systems
Species Variation
The human endocrine system and the animal endocrine system are almost identical
Hormone Role
Hormone Roles
Hormones are essentially chemical messengers that travel throughout the body and carry out various functions.
Play a huge role on sexual, emotional, and physical behavior
They help the immune system protect the body against disease and damaging foreign bodies by supplying it with necessary things
What are Antibiotics?
Antibiotics
- Antibiotics are powerful medicines that treat bacterial infections. They are used if the number of bacteria is excessive and the immune system cannot fight them all
- They CANNOT be used to treat viral infections
What is Antibiotic Resistance?
Antibiotic Resistance
Antibiotic resistance is when bacteria develop the ability to defeat the antibiotics, causing them to multiply. This occurs when someone overuses antibiotics
Antibiotics in Animal Health
- Antibiotics are used in animals to treat clinical diseases and prevent the risk of having harmful bacteria contamination in finished meat products
- For animals mostly used for consumption, antibiotics are used in a way that minimizes the risk of antibiotic resistance in humans