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Lesson 1 Why is the endocrine system important during the teen years? The endocrine system is especially important during the teen years because one of.

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Presentation on theme: "Lesson 1 Why is the endocrine system important during the teen years? The endocrine system is especially important during the teen years because one of."— Presentation transcript:

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2 Lesson 1 Why is the endocrine system important during the teen years? The endocrine system is especially important during the teen years because one of its main functions is to regulate growth and development. The Endocrine System

3 Lesson 1 Identify the glands of the endocrine system and explain the function of each. Examine the effects of health behaviors on the endocrine system. Appraise the significance of body changes occurring during adolescence. In this lesson, youll learn to: Lesson Objectives

4 Lesson 1 The Endocrine System The endocrine system consists of a network of endocrine glands located throughout the body.endocrine glands HormonesHormones are secreted by the endocrine glands and then carried to their destinations in the body by the blood. Hormones produced during puberty trigger physical changes in the body. Structure of the Endocrine System

5 Lesson 1 Some Glands of the Endocrine System Thyroid gland Parathyroid glands Hypothalamus Pineal Gland Testes and Ovaries Thymus Gland Pancreas Structure of the Endocrine System

6 Lesson 1 Pituitary Gland The pituitary gland is known as the master gland. It has three sections, or lobesanterior, intermediate, and posterior.pituitary gland Structure of the Endocrine System

7 Lesson 1 Lobes of the Pituitary Gland Posterior The anterior, or front, lobe of the pituitary gland produces six hormones. These hormones include somatotropic, or growth, hormone, thyroid stimulating hormone, and adrenocorticotropic hormone. Follicle-stimulating hormone (FSH) and luteinizing hormone (LH) control the growth, development, and functions of the gonads.gonads AnteriorIntermediate Structure of the Endocrine System

8 Lesson 1 Adrenal Glands Adrenal CortexAdrenal Medulla The adrenal cortex secretes a hormone that inhibits the amount of sodium excreted in urine and serves to maintain blood volume and pressure. It also secretes hormones that aid the metabolism of fats, proteins, and carbohydrates. The adrenal glands each have two parts.adrenal glands Structure of the Endocrine System

9 Lesson 1 Serious Problems Diabetes Mellitus Graves DiseaseCushings Disease Goiter Growth Disorders Problems of the Endocrine System

10 Lesson 1 Diabetes Mellitus Diabetes mellitus is a disorder in which the pancreas produces too little or no insulin, resulting in high blood glucose levels. Symptoms include fatigue, weight loss, thirst, and frequent urination. Problems of the Endocrine System

11 Lesson 1 Graves Disease Graves disease, also called hyperthyroidism, is a disorder in which an overactive and enlarged thyroid gland produces excessive amounts of thyroxine. Symptoms include nervousness, weight loss, increased thirst, rapid heartbeat, and intolerance for heat. Low thyroxine production, called hypothyroidism, causes fatigue, dry skin, weight gain, constipation, and sensitivity to cold. Problems of the Endocrine System

12 Lesson 1 Cushings Disease Cushings disease results from the overproduction of adrenal hormones. Symptoms include round face, humped upper back, thin and easily bruised skin, and fragile bones. Problems of the Endocrine System

13 Lesson 1 Goiter Goiter, an enlargement of the thyroid gland, is caused mainly by a lack of iodine in the diet. Since the introduction of iodized salt, goiters have become rare in the United States. Problems of the Endocrine System

14 Lesson 1 Growth Disorders Growth disorders are caused by abnormal amounts of growth hormone. With early diagnosis and proper treatment, a child with a growth disorder can reach a normal height. Problems of the Endocrine System

15 Lesson 1 Care of the Endocrine System Eat nutritious meals, get enough sleep, and avoid stress. Get medical tests done by health care professionals to determine whether your endocrine function is normal. Problems of the Endocrine System

16 Lesson 1 Q. The ovaries and testes are also known by the name _________. 1.gonads 2.pituitary gland 3.goiter 4.adrenal cortex Choose the appropriate option. Quick Review

17 Lesson 1 A. The ovaries and testes are also known by the name gonads. Click Next to attempt another question. Quick Review - Answer

18 Lesson 1 Provide a short answer to the question given below. Click Next to view the answer. Quick Review Q. What is an endocrine gland?

19 Lesson 1 A. An endocrine gland is a ductless, or tubeless, organ or group of cells that secretes hormones directly into the bloodstream. Click Next to attempt another question. Quick Review - Answer

20 Lesson 1 Provide a short answer to the question given below. Q. What are the two parts of the adrenal glands, and what do they do? Click Next to view the answer. Quick Review

21 Lesson 1 A. The two parts of the adrenal glands are: Adrenal cortex: It secretes a hormone that inhibits the amount of sodium excreted in urine and serves to maintain blood volume and pressure. Adrenal medulla: It secretes the hormones epinephrine (also called adrenaline) and norepinephrine. Click Next to attempt another question. Quick Review - Answer

22 Lesson 1 Which endocrine glands become more active during puberty? Name the hormones these glands produce, and appraise the significance of changes occurring during adolescence that they cause. Analyze the following situation. Quick Review

23 Lesson 1 A. Correct! The ovaries and testes are also known by the name gonads. Click Next to attempt another question. Quick Review - Answer

24 Lesson 1 You have answered the question incorrectly. Go back to try again, or click Next to view the correct answer. Quick Review

25 Lesson 1 The intermediate, or middle, lobe of the pituitary secretes melanocyte-stimulating hormone (MSH), which controls the darkening of the skin by stimulating skin pigments. Posterior AnteriorIntermediate Lobes of the Pituitary Gland Structure of the Endocrine System

26 Lesson 1 The posterior, or rear, lobe of the pituitary gland secretes antidiuretic hormone (ADH), which regulates the balance of water in the body. ADH also produces oxytocin, which stimulates uterine contractions during the birth of a baby. Lobes of the Pituitary Gland Structure of the Endocrine System Posterior AnteriorIntermediate

27 Lesson 1 The anterior, or front, lobe of the pituitary gland produces six hormones. These hormones include somatotropic, or growth, hormone, thyroid stimulating hormone, and adrenocorticotropic hormone. Follicle-stimulating hormone (FSH) and luteinizing hormone (LH) control the growth, development, and functions of the gonads.gonads Lobes of the Pituitary Gland Posterior AnteriorIntermediate A gonad is another name for the ovary and testes. Structure of the Endocrine System

28 Lesson 1 The endocrine system consists of a network of endocrine glands located throughout the body.endocrine glands HormonesHormones are secreted by the endocrine glands and then carried to their destinations in the body by the blood. Hormones produced during puberty trigger physical changes in the body. The Endocrine System An endocrine gland is a ductless, or tubeless, organ or groups of cells that secretes hormones directly into the bloodstream. Structure of the Endocrine System

29 Lesson 1 The endocrine system consists of a network of endocrine glands located throughout the body.endocrine glands HormonesHormones are secreted by the endocrine glands and then carried to their destinations in the body by the blood. Hormones produced during puberty trigger physical changes in the body. The Endocrine System A hormone is a chemical substance that is produced in glands and helps regulate many of your bodys functions. Structure of the Endocrine System

30 Lesson 1 The pituitary gland is known as the master gland. It has three sections, or lobesanterior, intermediate, and posterior.pituitary gland Pituitary Gland The pituitary gland regulates and controls the activities of all of the other endocrine glands. Structure of the Endocrine System

31 Lesson 1 The adrenal cortex secretes a hormone that inhibits the amount of sodium excreted in urine and serves to maintain blood volume and pressure. It also secretes hormones that aid the metabolism of fats, proteins, and carbohydrates. Adrenal CortexAdrenal Medulla Adrenal Glands The adrenal glands each have two parts. The adrenal gland is a gland that helps the body recover from stress and respond to emergencies. Structure of the Endocrine System

32 Lesson 1 The adrenal medulla is controlled by the hypothalamus and the autonomic nervous system. It secretes the hormones epinephrine (also called adrenaline) and norepinephrine. Adrenal Glands The adrenal glands each have two parts. Adrenal CortexAdrenal Medulla Structure of the Endocrine System The adrenal gland is a gland that helps the body recover from stress and respond to emergencies.

33 Lesson 1 Adrenal Glands The adrenal medulla is controlled by the hypothalamus and the autonomic nervous system. It secretes the hormones epinephrine (also called adrenaline) and norepinephrine. The adrenal glands each have two parts.adrenal glands Adrenal CortexAdrenal Medulla Structure of the Endocrine System

34 Lesson 1 Some Glands of the Endocrine System Thyroid gland Parathyroid glands Hypothalamus Pineal Gland Testes and Ovaries Thymus Gland Pancreas The thyroid gland produces hormones that regulate metabolism, body heat, and bone growth. Structure of the Endocrine System

35 Lesson 1 Some Glands of the Endocrine System Thyroid gland Parathyroid glands Hypothalamus Pineal Gland Testes and Ovaries Thymus Gland Pancreas The parathyroid gland produces a hormone that regulates the bodys calcium and phosphorous balance. Structure of the Endocrine System

36 Lesson 1 Some Glands of the Endocrine System Thyroid gland Parathyroid glands Hypothalamus Pineal Gland Testes and Ovaries Thymus Gland Pancreas The pancreas is a gland that serves both the digestive and the endocrine systems. Structure of the Endocrine System


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