Blood Components and Functions Quiz
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Questions and Answers

What is the main function of albumin in blood plasma?

It functions to regulate the colloidal osmotic pressure of blood.

What is blood composed of?

Blood is composed of blood cells suspended in blood plasma.

What is the main protein in plasma?

Albumin is the main protein in plasma.

What are the most abundant cells in vertebrate blood?

<p>The most abundant cells in vertebrate blood are red blood cells.</p> Signup and view all the answers

What facilitates oxygen transport in red blood cells?

<p>Hemoglobin, an iron-containing protein, facilitates oxygen transport by reversibly binding to this respiratory gas thereby increasing its solubility in blood.</p> Signup and view all the answers

What is the main function of the sympathetic nervous system?

<p>Mobilize energy in emergencies</p> Signup and view all the answers

Which part of the nervous system first arose in wormlike organisms about 550 to 600 million years ago?

<p>Nervous tissue</p> Signup and view all the answers

What are nerves mainly composed of in the peripheral nervous system?

<p>Enclosed bundles of long fibers</p> Signup and view all the answers

Which part of the nervous system is subdivided into the sympathetic and parasympathetic systems?

<p>Autonomic nervous system</p> Signup and view all the answers

Which nerves transmit signals from the brain?

<p>Motor nerves</p> Signup and view all the answers

Study Notes

Blood Composition

  • Blood is composed of plasma and formed elements (cells)
  • Plasma makes up about 55% of blood, and formed elements make up about 45%

Plasma Components

  • Albumin is the main protein in plasma, and its main function is to regulate osmotic pressure and help maintain blood pressure
  • Albumin also helps transport hormones, vitamins, and fatty acids

Blood Cells

  • The most abundant cells in vertebrate blood are red blood cells (erythrocytes)
  • Red blood cells contain the protein hemoglobin, which facilitates oxygen transport

Nervous System

  • The main function of the sympathetic nervous system is to prepare the body for "fight or flight" responses
  • The sympathetic nervous system is part of the autonomic nervous system, which is subdivided into sympathetic and parasympathetic systems

Nervous System Evolution

  • The central nervous system (CNS) first arose in wormlike organisms about 550 to 600 million years ago

Nervous System Structure

  • Nerves in the peripheral nervous system are mainly composed of axons and their supporting cells
  • Cranial nerves transmit signals from the brain to the rest of the body

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Description

Test your knowledge of the components and functions of blood with this informative quiz. Explore the composition of blood cells and their vital role in the circulatory system.

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