Podcast
Questions and Answers
Which division of the autonomic nervous system is responsible for the 'fight or flight' response?
Which division of the autonomic nervous system is responsible for the 'fight or flight' response?
- Parasympathetic division
- Sympathetic division (correct)
- Somatic division
- Visceral division
Where are the preganglionic neurons of the sympathetic division situated?
Where are the preganglionic neurons of the sympathetic division situated?
- Cerebral cortex
- Ventral horn of the spinal cord
- Lateral gray horns of 12 thoracic and first three lumbar segments of the spinal cord (correct)
- Dorsal root ganglia
Which ganglia are arranged along the anterolateral surface of the vertebral column in the sympathetic division?
Which ganglia are arranged along the anterolateral surface of the vertebral column in the sympathetic division?
- Prevertebral or collateral ganglia
- Cervical ganglia
- Terminal or peripheral ganglia
- Paravertebral or sympathetic chain ganglia (correct)
Which division of the autonomic nervous system is known as the 'rest and digest' system?
Which division of the autonomic nervous system is known as the 'rest and digest' system?
Which part of the nervous system is responsible for innervation to all organs except for skeletal muscle?
Which part of the nervous system is responsible for innervation to all organs except for skeletal muscle?
What are the main functions of the male reproductive system?
What are the main functions of the male reproductive system?
What effects do estrogens and testosterone have on males and females?
What effects do estrogens and testosterone have on males and females?
What takes place during fertilization and early human development?
What takes place during fertilization and early human development?
What are some of the most common STDs?
What are some of the most common STDs?
What important events occur during the later stages of human development?
What important events occur during the later stages of human development?
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Study Notes
Autonomic Nervous System
- The sympathetic division is responsible for the 'fight or flight' response.
Sympathetic Division
- Preganglionic neurons are situated in the thoracic and lumbar regions of the spinal cord.
- The paravertebral ganglia are arranged along the anterolateral surface of the vertebral column.
Parasympathetic Division
- The parasympathetic division is known as the 'rest and digest' system.
Autonomic Nervous System Function
- The autonomic nervous system is responsible for innervation to all organs except for skeletal muscle.
Male Reproductive System
- The main functions of the male reproductive system include producing sperm, transporting sperm, and secreting hormones.
Hormones
- Estrogens have a feminizing effect on females, while testosterone has a masculinizing effect on males.
- Estrogens can also have feminizing effects on males, while testosterone can have masculinizing effects on females.
Human Development
- During fertilization, a sperm fertilizes an egg, resulting in a zygote.
- During early human development, the zygote undergoes multiple cell divisions, eventually forming a blastocyst.
- During later stages of human development, the embryo undergoes organogenesis and morphogenesis.
Sexually Transmitted Diseases (STDs)
- Some common STDs include chlamydia, gonorrhea, syphilis, and human immunodeficiency virus (HIV).
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