Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

1. Introduction to Anatomy & Physiology

Organization of the Body: Body Cavities

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Organization of the Body: Body Cavities

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1:29 minutes

Problem 14

Textbook Question

Match each numbered item with the most closely related lettered item. Use letters for answers in the spaces provided.
_____Divides thoracic and abdominopelvic body cavities
a. Study of tissues
b. Constant internal environment
c. Face-up position
d. Study of functions
e. Positive feedback
f. Organ system
g. Study of cells
h. Negative feedback
i. Serous membrane
j. Study of internal and external body structures
k. Diaphragm
l. Tissue
m. Peritoneal cavity
n. Organ
o. Face-down position

Verified step by step guidance

Step 1: Identify the numbered item in the problem, which is 'divides thoracic and abdominopelvic body cavities.' This refers to a structure that physically separates these two major body cavities.

Step 2: Review the lettered options provided. Look for anatomical terms or structures that could act as a divider between the thoracic and abdominopelvic cavities.

Step 3: Recognize that the diaphragm is a muscular structure that separates the thoracic cavity (containing the lungs and heart) from the abdominopelvic cavity (containing digestive organs, reproductive organs, etc.).

Step 4: Match the numbered item with the correct lettered item, which is 'k. diaphragm,' based on its anatomical function and location.

Step 5: Confirm your answer by recalling that the diaphragm also plays a critical role in respiration, further solidifying its importance in separating these cavities.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Diaphragm

The diaphragm is a dome-shaped muscle that separates the thoracic cavity from the abdominopelvic cavity. It plays a crucial role in respiration by contracting and relaxing to facilitate breathing. Understanding its anatomical position and function is essential for recognizing how it influences the organization of body cavities.

Body Cavities

Body cavities are spaces within the body that house and protect internal organs. The thoracic cavity contains the heart and lungs, while the abdominopelvic cavity contains organs such as the stomach and intestines. Knowledge of these cavities is fundamental for understanding human anatomy and the relationships between different organ systems.

Serous Membrane

Serous membranes are thin layers of tissue that line body cavities and cover organs, providing lubrication and reducing friction between moving organs. They are crucial for the proper functioning of organs within the thoracic and abdominopelvic cavities. Familiarity with serous membranes helps in understanding their protective role in the body.

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Master Introduction to Body Cavities with a bite sized video explanation from Bruce Bryan

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Related Practice

Textbook Question

A neurosurgeon orders a spinal tap for a patient. Into what body cavity will the needle be inserted?

a. Ventral

b. Thoracic

c. Dorsal

d. Cranial

e. Pelvic

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Textbook Question

Which body cavity would enclose each of the following organs?

(a) Heart

(b) Small intestine, large intestine

(d) Kidneys

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Textbook Question

The mediastinum is the region between the

(a) Lungs and heart

(b) Two pleural cavities

(d) Heart and pericardium

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Textbook Question

The two major body cavities of the trunk are the

(a) Pleural cavity and pericardial cavity

(b) Pericardial cavity and peritoneal cavity

(d) Thoracic cavity and abdominopelvic cavity

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Textbook Question

Match each numbered item with the most closely related lettered item. Use letters for answers in the spaces provided.

_____Abdominopelvic cavity

a. Study of tissues

b. Constant internal environment

c. Face-up position

d. Study of functions

e. Positive feedback

f. Organ system

g. Study of cells

h. Negative feedback

i. Serous membrane

j. Study of internal and external body structures

k. Diaphragm

l. Tissue

m. Peritoneal cavity

n. Organ

o. Face-down position

views

Textbook Question

Match each numbered item with the most closely related lettered item. Use letters for answers in the spaces provided.

______Pericardium

a. Study of tissues

b. Constant internal environment

c. Face-up position

d. Study of functions

e. Positive feedback

f. Organ system

g. Study of cells

h. Negative feedback

i. Serous membrane

j. Study of internal and external body structures

k. Diaphragm

l. Tissue

m. Peritoneal cavity

n. Organ

o. Face-down position

views

Multiple Choice

During a dissection, three of the following organs can be observed by making a single large incision. One cannot be observed by that same incision. Which organ would require its own incision to observe?

What are the two subdivisions of the anterior body cavity?

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