What Is the Famous Virgo Cluster of Galaxies

question 402

Multiple Choice

What is the famous Virgo cluster of galaxies?

• A) a rich, irregular cluster of over 1000 galaxies
• B) a cluster of unknown type centered on a quasar near the edge of the visible universe
• C) a rich, regular cluster of thousands of galaxies
• D) the nearest cluster beyond the Local Group containing about three dozen galaxies

Explain the effects of the autonomic nervous system on heart rate and blood pressure.

Understand the principles of autonomic reflex arcs and their components.

Identify the neural pathways involved in sympathetic and parasympathetic responses.

Explain how neurotransmitter receptors impact physiological responses.

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Definitions:

Oxytocin

A hormone and neurotransmitter widely associated with bonding, social behaviors, childbirth, and lactation.

Adrenal Hormones

Hormones produced by the adrenal glands, including adrenaline and cortisol, which are involved in stress response and metabolism.

Imprinting

A rapid learning process occurring early in the life of certain animals, such as ducks and geese, enabling them to recognize a parent or other object of attachment.

Konrad Lorenz

Konrad Lorenz was an Austrian zoologist, ethologist, and ornithologist who is considered one of the founders of modern ethology, the study of animal behavior.