A&P – Anatomy and Physiology Exam 1
(Chapters 1-4) Revised Questions *Q&A*
|Verified Study Set| 2024/2025
What is the primary function of the respiratory system?
The primary function of the respiratory system is to exchange gases, specifically oxygen and
carbon dioxide, between the body...
A&P – Anatomy and Physiology Exam 1
(Chapters 1-4) Revised Questions *Q&A*
|Verified Study Set| 2024/2025
What is the primary function of the respiratory system?
The primary function of the respiratory system is to exchange gases, specifically oxygen and
carbon dioxide, between the body and the environment.
Explain the role of enzymes in the human body.
Enzymes act as biological catalysts that speed up chemical reactions in the body, playing a
crucial role in processes such as digestion and metabolism.
What is the anatomical position and why is it important in anatomy?
The anatomical position is a standardized stance where the body is upright, facing forward,
arms at the sides, and palms facing forward. It is important because it provides a consistent frame
of reference for describing the location and direction of body parts.
Describe the structure and function of the cell membrane.
The cell membrane is a phospholipid bilayer embedded with proteins. Its primary function is
to regulate what enters and exits the cell, providing a protective barrier while allowing
communication and transport between the cell and its environment.
What are the four main tissue types found in the human body?
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, The four main tissue types are epithelial, connective, muscle, and nervous tissues. Epithelial
tissue covers and lines surfaces, connective tissue supports and connects body parts, muscle
tissue enables movement, and nervous tissue transmits electrical signals.
How does the skeletal system contribute to homeostasis?
The skeletal system contributes to homeostasis by providing structural support, protecting
vital organs, producing blood cells in the bone marrow, and storing minerals like calcium, which
are released as needed to maintain proper levels in the blood.
What is the difference between the axial and appendicular skeleton?
The axial skeleton consists of the bones that form the central axis of the body, including the
skull, vertebral column, and rib cage. The appendicular skeleton includes the bones of the limbs
and girdles, such as the arms, legs, pelvis, and shoulder girdle.
Describe the process of osmosis and its importance to cells.
Osmosis is the movement of water across a selectively permeable membrane from an area of
lower solute concentration to an area of higher solute concentration. It is vital for maintaining
cell hydration and volume, influencing fluid balance within the body.
What are the primary functions of the integumentary system?
The integumentary system, which includes the skin, hair, and nails, serves several functions:
protecting the body from external damage, regulating body temperature, preventing water loss,
and synthesizing vitamin D.
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