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The Endocrine and Respiratory System

By Syanne and Zach
by

syanne hines

on 3 June 2013

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Transcript of The Endocrine and Respiratory System

The Endocrine System
And
The Respiratory System What Am I? The Endocrine System is a group of glands that moves hormones through the blood to different cells and organs. The Endocrine System is active in stabilizing mood, growth and development, tissue function,metabolism, sexual functions and reproductive processes. The Endocrine Organs ~Hypothalamus
~Anterior Pituitary
~Pancreas
~Adrenal
~Gonads Hypothalamus... A group of specialized cells that is located in the lower central part of the brain.It controls The Nervous System by transferring information from the brain to the Pituitary Gland with Neurohormones, which are formed in the nervous system and delivered to an effector organ through blood circulation.. It also releases hormones that control the start or end of hormones being produced by the body. Heart rate and blood pressure
Body temperature
Thirst
Appetite and body weight
Glandular secretions of the stomach and intestines
Production of substances that influence the pituitary gland to release hormones
Sleep cycles Stimulates the following body functions Anterior Pituitary -Makes hormones that control several other Endocrine glands.
-The production and secretion of Pituitary hormones can be influenced by factors such as, emotions and seasonal change.
-It produces a growth hormone which stimulates the growth of bone and other body tissues and it plays a role in the body's handling of nutrients and minerals.
-Proclactin activates milk production in women who are breastfeeding.
-Thyrotropin stimulates the Thyroid gland to produce thyroid hormones
-Corticotropin stimulates the Adrenal gland to produce certain hormones. Thyroid Controls the metabolism rate.
Produces the hormones Thyroxine and T3.
The hormones control the rate at which cells burn fuels from food to produce energy.
Thyroid hormones also play a key role in bone growth and the development of the brain and nervous system in children.
Hyperthyroidism- excess production and secretion
Hypothyroidism- reduced production and secretion Pancreas ~The regulation of sugar such as glucose in the blood.
~ Insulin signals liver and skeletal muscle fibers to covert glucose to glycogen; reduce fat and appetite
~ Glucagon signals the liver to make more glucose, converting glycogen, fats, and protein into glucose.
~ Somatostatin causes a reduction in nutrient absorption in the small intestine. Adrenal The cortex gets rid of glucoticoids such as cortisol, mineralocorticoids and small amounts of androgens and estrogens responsible for some secondary sex characteristics.
The medulla develops from nervous tissue
The medulla secretes adrenaline and non adrenalin- chemicals that raise the blood levels of sugar and fatty acids. Gonads The main source of sex hormones throughout the body
Estrogen affects the development sexual growth
Progesterone helps regulate menstrual cycle and pregnancy
Testosterone regulates male body changes and is needed for the development of sperm Homeostasis In The Endocrine System Organs will produce fewer hormones or convert substances to what is needed in order to take control of negative feedback.
If the blood sugar level increases, the pancreas detects this. Insulin is then released to act on the liver which allows the excess glucose to be converted to glycogen.
When blood sugar levels decrease, the pancreas detects it, releases glucagon which act on the liver. The excess glycogen is then converted to glucose. Smoking and The Endocrine System -Decreases levels of female hormones
-Alters the hormonal regulation of body weight and distribution of body fat
-Increases the risk of Pancreatic cancer
-Smokers are twice as likely to get this cancer Connections... The respiratory system delivers the oxygen needed for the Endocrine System to function
The hormone Adrenalin, which is released by the adrenal glands, helps to stimulate the respiratory activity. Some Endocrine hormones have an effect on the respiratory passages. This can affect the amount of oxygen that the lungs absorb. Your lungs are part of a group of organs and tissues that all work together to help you breathe. This system is called the respiratory system. The main job of the respiratory system is to move fresh air into and get waste gases out of the body. The nose (naval canal) and the mouth (oral cavity) are two ways outside air enters the respiratory system. The hairs in the nose are apart of the air-cleansing system. The throat (pharynx) collects air from the nose and mouth and passes it to the trachea. The voice box (larynx) is where the vocal chords are located. The moving air being breathed out is what creates the voice sound. In the chest cavity, the trachea is split into 2 smaller tubes called bronchi. These smaller tubes divide into bronchial tubes. Finally these tubes divide into little sacs called alveoli. The diaphragm is a strong wall of muscles. By it moving downward it allows air to enter the lungs and by pushing upward it allows air to exit the lungs. Smoking and the Respiratory system -Bronchi and lungs become scarred -Health problems such as chronic bronchitis and emphysema can set in
-Obstructions such as these cause less oxygen to be passed through bloodstream to the heart
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