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Questions and Answers
Questions and Answers
Which gland is the neural control center for all endocrine systems in vertebrates?
Which gland is the neural control center for all endocrine systems in vertebrates?
- Thyroid
- Adrenal
- Pituitary
- Hypothalamus (correct)
Which organ is not mentioned as a major endocrine gland in humans?
Which organ is not mentioned as a major endocrine gland in humans?
- Pancreas
- Thymus
- Liver (correct)
- Pineal
Which hormone is secreted by the kidney as part of its endocrine function?
Which hormone is secreted by the kidney as part of its endocrine function?
- Melatonin
- Adrenaline
- Insulin
- Erythropoietin (correct)
Which system is responsible for linking the endocrine system to the nervous system via the pituitary gland?
Which system is responsible for linking the endocrine system to the nervous system via the pituitary gland?
Which body part has secondary endocrine functions, apart from its primary role?
Which body part has secondary endocrine functions, apart from its primary role?
What is the main protein in plasma and what is its function?
What is the main protein in plasma and what is its function?
What is the main function of hemoglobin in red blood cells?
What is the main function of hemoglobin in red blood cells?
What is the color of vertebrate blood when its hemoglobin is deoxygenated?
What is the color of vertebrate blood when its hemoglobin is deoxygenated?
Which component constitutes the majority of blood fluid?
Which component constitutes the majority of blood fluid?
What is the main function of white blood cells?
What is the main function of white blood cells?
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Study Notes
Study Notes
Endocrine System
- The neural control center for all endocrine systems in vertebrates is the hypothalamus.
- The pancreas, although having endocrine functions, is not typically classified as a major endocrine gland in humans.
Kidney Functions
- The kidney secretes the hormone erythropoietin (EPO) as part of its endocrine function.
- The kidney plays a crucial role in the production of red blood cells through the secretion of EPO.
Pituitary Gland and Nervous System
- The pituitary gland links the endocrine system to the nervous system.
- The pituitary gland acts as a bridge between the two systems, facilitating communication and coordination.
Secondary Endocrine Functions
- The kidney, apart from its primary role in filtration and waste removal, has secondary endocrine functions.
- The heart, apart from its primary role in pumping blood, has secondary endocrine functions.
Blood Components
- The main protein in plasma is albumin, which maintains osmotic pressure and transports lipids and hormones.
- Hemoglobin in red blood cells is responsible for transporting oxygen from the lungs to the body's tissues.
- Deoxygenated vertebrate blood is blue-purple in color.
- Plasma constitutes the majority of blood fluid, making up about 55% of total blood volume.
White Blood Cells
- The main function of white blood cells is to provide immunity and defend the body against infections and diseases.
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