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Questions and Answers
What is the primary function of the Central Nervous System?
What is the primary function of the Central Nervous System?
- To produce hormones
- To regulate growth and development
- To interpret and process information (correct)
- To transmit involuntary signals
Which part of the Peripheral Nervous System transmits sensory information?
Which part of the Peripheral Nervous System transmits sensory information?
- Sensory Nervous System (correct)
- Somatic Nervous System
- Autonomic Nervous System
- Central Nervous System
What is the function of Steroid Hormones?
What is the function of Steroid Hormones?
- To influence mood and behavior
- To regulate various bodily functions (correct)
- To maintain homeostasis
- To regulate metabolism
Which gland produces Peptide Hormones?
Which gland produces Peptide Hormones?
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What is the main function of hormones?
What is the main function of hormones?
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What is the Autonomic Nervous System responsible for?
What is the Autonomic Nervous System responsible for?
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Study Notes
Nervous System
Central Nervous System (CNS)
- Consists of brain and spinal cord
- Interprets and processes information
- Controls voluntary actions
Peripheral Nervous System (PNS)
- Consists of nerves that connect CNS to rest of body
- Divided into:
- Somatic Nervous System: transmits voluntary signals
- Autonomic Nervous System: transmits involuntary signals
- Sensory Nervous System: transmits sensory information
Hormones
Definition
- Chemical messengers produced by endocrine glands
- Regulate various bodily functions
Types of Hormones
- Steroid Hormones:
- Produced by adrenal cortex and gonads
- Examples: estrogen, testosterone, aldosterone
- Peptide Hormones:
- Produced by pituitary gland and pancreas
- Examples: insulin, growth hormone
- Amine Hormones:
- Produced by thyroid gland and adrenal medulla
- Examples: thyroxine, epinephrine
Functions of Hormones
- Regulate growth and development
- Control metabolism
- Influence mood and behavior
- Regulate reproductive processes
- Maintain homeostasis
Nervous System
Central Nervous System (CNS)
- Consists of brain and spinal cord, interpreting and processing information
- Controls voluntary actions, such as movement and responses
Peripheral Nervous System (PNS)
- Comprises nerves connecting CNS to the rest of the body
- Divided into three subsystems:
- Somatic Nervous System: transmits voluntary signals for muscle movement
- Autonomic Nervous System: transmits involuntary signals for automatic functions
- Sensory Nervous System: transmits sensory information from senses to CNS
Hormones
Definition and Function
- Chemical messengers produced by endocrine glands, regulating various bodily functions
Types of Hormones
- Steroid Hormones: produced by adrenal cortex and gonads, examples include estrogen, testosterone, and aldosterone
- Peptide Hormones: produced by pituitary gland and pancreas, examples include insulin and growth hormone
- Amine Hormones: produced by thyroid gland and adrenal medulla, examples include thyroxine and epinephrine
Hormone Functions
- Regulate growth and development processes
- Control metabolism and energy production
- Influence mood and behavior
- Regulate reproductive processes and cycles
- Maintain homeostasis, a stable internal environment
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