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Homeostasis and Physiology

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Questions and Answers

What is the main function of blood described in the text?

Transporting oxygen, nutrients, and cellular wastes (correct)

Generating energy for body cells

Maintaining equilibrium within the body

Producing hormones and enzymes

How does blood help in the excretory function?

It picks up cellular wastes and transports them to various organs for removal (correct)

It releases waste products into the bloodstream for elimination

It filters waste products through its cellular structure

It synthesizes waste products into useful substances

What is the primary mechanism by which the body maintains homeostasis?

Negative feedback mechanism (correct)

Positive feedback mechanism

Neutral feedback mechanism

Reactive feedback mechanism

Where does most of the nutrients absorbed from food travel after entering the bloodstream?

<p>To the liver for processing</p> Signup and view all the answers

What is the role of blood in respiratory function?

<p>Transporting oxygen from the lungs to the heart and then to the rest of the body</p> Signup and view all the answers

Study Notes

Functions of Blood

Transports oxygen from the lungs to cells and carbon dioxide from cells back to the lungs.
Delivers essential nutrients and hormones throughout the body.

Excretory Function of Blood

Blood aids in the removal of waste products from metabolism.
Transports waste to excretory organs like the kidneys for filtration and excretion.

Homeostasis Maintenance

The body primarily maintains homeostasis through feedback mechanisms.
Blood plays a crucial role in regulating temperature, pH levels, and fluid balance.

Nutrient Transport Post-Absorption

Most nutrients absorbed from food travel to the liver via the hepatic portal vein.
The liver processes, stores, and distributes nutrients to other parts of the body.

Role of Blood in Respiratory Function

Blood carries oxygen from the lungs to tissues and organs.
Facilitates the transport of carbon dioxide from cells to the lungs for exhalation.

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Description

Test your knowledge about blood, cell physiology, cardiovascular system, respiration, nerve and muscle functions, autonomic nervous system, urinary system, and endocrinology. Explore the concept of homeostasis and the body's ability to maintain equilibrium.