Day 1 Write the following in your agenda: I can identify the organs and describe the functions of the Endocrine System. Glands of the Endocrine S ystem. http://www.brainpop.com/health/bodysystems/endocrinesystem /. secrete. into. bloodstream. to. hormones. target tissues.
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Write the following in your agenda:
I can identify the organs and describe the functions of the Endocrine System.
Thyroid- regulates metabolism (the rate at which cells burn fuels from food to produce energy). This influences body temperature, weight, other factors.
Pancreas- releases the hormones insulin and glucagon which regulate the amount of glucose in the blood.
Adrenal- releases adrenalin. regulate the amount of glucose in the blood.
The regulate the amount of glucose in the blood.main function of the hypothalamus is homeostasis, or maintaining the body's status quo. Factors such as blood pressure, body temperature, fluid and electrolyte balance, and body weight are held to a precise value called the set-point. Although this set-point can change over time, from day to day it is remarkably fixed.To achieve this task, the hypothalamus must receive inputs about the state of the body, and must be able to make changes or adjustments if anything drifts out of whack.
The pituitary gland is sometimes called the " regulate the amount of glucose in the blood.master" gland of the endocrine system, because it controls the functions of the other endocrine glands. The pituitary gland is no larger than a pea, and is located at the base of the brain. The pituitary gland secretes hormones that cause other glands in the body to start secreting their own hormones that affect such things as growth, adrenaline, milk production, puberty and sex hormones, skin pigmentation, and other things.
Negative Feedback and regulate the amount of glucose in the blood.Homeostasis
Negative feedback is the main mechanism for controlling blood levels of hormones and helping the body to maintain homeostasis. Through negative feedback, when the amount of a particular hormone in the blood reaches a certain level, the endocrine system sends signals that stop the release of that hormone.
An regulate the amount of glucose in the blood.example of a negative feedback in the body is demonstrated by the pancreas.
When glucose levels in the blood get too high, the pancreas releases the hormone insulin. Insulin triggers the body to start converting the glucose to a form that can be stored for later use (glycogen, fat).
When glucose levels in the blood get to low, the pancreas secretes the hormone glucagon which triggers the body to change the glycogen back into glucose while also causing the body to stop storing fat.
Negative feedback loops exist for blood pressure, body temperature, and a whole host of other body functions.