Bio 150- Intro

Question 1

Biology is simply the study of

Answer 1

life, of living things

Question 2

Anatomy is the study of

Answer 2

structure

Question 3

Physiology is the study of

Answer 3

function

Question 4

Levels of organization

Answer 4

• Atoms
• Molecules and macromolecules
• Organelles
• Cells (cytology = study of cells)
• Tissues (histology = study of tissues)
• Organs
• Systems
• Organisms

Question 5

Anatomy is: these 5 aspects

Answer 5

Name
Structure
Function
Location
Relationship

Question 6

Anatomists use a variety of terms to describe locations on the body:

Answer 6

Regional terms
Directional terms
Sectional planes
Body cavities

Question 7

Sectional Planes (3)

Answer 7

• Frontal (or coronal) plane
• Transverse (or horizontal) plane
• Sagittal plane

Question 8

Body cavities

Answer 8

Can be a general term (e.g., thoracic cavity, abdominopelvic cavity) or a “true” body cavity

Question 9

True body cavities are:

Answer 9

• Closed
• Fluid-filled (serous fluid)
• Lined by a serous membrane (serosa)

Question 10

Each is lined by two serous membranes:

Answer 10

• Visceral membrane (on the organ itself)
• Parietal membrane (on the body wall side)
• Serous fluid in between: protection

Question 11

Pleural cavities:

Answer 11

contain the lungs (L&R)

Question 12

Pericardial cavity contains the

Answer 12

heart

Question 13

Both are located in the

Answer 13

thoracic cavity/ region

Question 14

Mediastinum:

Answer 14

contains the heart, other medial organs (such as?), and separates the two pleural cavities

Question 15

Peritoneal Cavity

Answer 15

Forms part of the abdominopelvic cavity

Organs that are “behind” the peritoneal cavity are retroperitoneal

Organs that are “below” the peritoneal cavity are infraperitoneal