Physiology, Laboratory Manual

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BIO 137 Human Anatomy & Physiology I Laboratory Manual All Sections Fall 2009

Lab Exercise 1 Measurements Body Organization Body Systems

Textbook Reference: See Chapter 1

What you need to be able to do on the exam after completing this lab exercise: 

Be able to convert from one metric unit to another.



Be able to explain what each metric base unit measures.



Be able to convert large and small numbers to scientific notation.



Be able to convert scientific notation to large (or small) numbers.



Be able to identify directional terms on the muscle man model and the skin model.



Be able to identify each body plane on a diagram and organ.



Be able to identify all specified regions on the baby doll.



Be able to identify the major body organs on a torso model.



Be able to identify each body cavity on the torso model and know which major organs are housed within each cavity.



Be able to identify the abdominopelvic quadrants and regions on a torso model.



Be able to identify the correct body systems and organs on the models or diagrams.

Measurements

Metric Measurement In the BIO 137 lab, the metric system of measurement is used. It is important to be able to convert from one metric unit to another. We will be using 3 base units: gram (to measure mass) meter (to measure distance) liter (to measure volume) Below is a table that gives you the base units in the center, larger units to the left of center, and smaller units to the right of center. To convert from a smaller unit to a larger unit, you simply need to move your decimal point to the left the required number of places. To convert from a larger unit to a smaller unit, you move your decimal point to the right the required number of places. mega-

kilo-

(M)

(k)

1,000,000

106

hecto-

deca-

base unit

deci-

centi-

milli-

micro-

nano-

(h)

(da)

gram (g)

(d)

(c)

(m)

(µ)

(n)__

1000

100

10

liter (L)

0.1

0.01

0.001

0.000001

0.000000001

103

102

meter (m) 10-1

10-2

10-3

101

10-6

10-9

46 mm = ____ m To convert from mm to m, move your decimal point 3 places to the left (since the base unit is three places to the left of milli- on the chart). 46 mm = .046 m

400 cg = ____ mg To convert from cg to mg, move your decimal point 1 place to the right (since milli- is 1 place to the right of centi- on the chart). 400 cg = 4,000 mg

Practice. Convert the following: 1. 25 mL = __________ dL

5. 3,500 mm = __________ m

2. 15 g = __________ mg

6. 0.005 km = __________ m

3. 750 g = __________ kg

7. 250 cL = __________ mL

4. 275 mm = __________cm

8. 6,750 cg = __________ kg

Scientific Notation Scientists often deal with very small and very large numbers. This can be confusing due to counting all those zeros! To simplify these numbers, we have learned to express them as powers of 10. Positive exponents indicate a number larger than zero. Negative exponents indicate a number smaller than zero. Convert 1,500,000 to scientific notation. We move the decimal point so there is only ONE digit to its left (which is a total of 6 places to the left in this example). 1,500,000 = 1.5 x 106 Convert 0.000025 to scientific notation. We move the decimal point again so there is only ONE digit to its left (which is a total of 5 places to the right in this example). 0.000025 = 2.5 x 10-5 Practice. Convert the following to scientific notation. 1. 0.005 = ________________

4. 500 = _________________

2. 5,050 = ________________

5. 0.0025 = _______________

3. 0.0008 = _______________

6. 0.25 = _________________

Practice. Convert the following to standard notation. 1. 1.5 x 103 = ___________

4. 1.2 x 10-4 = __________

2. 1.5 x 10-3 = ___________

5. 1 x 104 = ____________

3. 3.75 x 102 = ___________

6. 4 x 100 = ____________

Body Organization Anatomical Position In Human Anatomy & Physiology, we refer to the body parts in relation to a person standing in the anatomical position.

Criteria: Standing Erect Facing Forward Arms at Sides Palms Forward Feet Slightly Apart

Directional Terminology When comparing the location of one body part to another, we use directional terms. Know the following directional terms on Muscle Man:

A is Superior to B

F & G are Ipsilateral (on the same side)

B is Inferior to A

J & A are Contralateral (the opposite sides)

B is Anterior to D (on back side)

G is Proximal to H

D is Posterior to C

H is Distal to G

E is Medial to F (on side of leg)

G is Intermediate to H & K

F is Lateral to E

Planes of Reference Know the following planes of reference on a diagram or organ:

A Frontal plane divides the body or an organ into Anterior/Posterior halves. A Median (Midsagittal) plane divides the body or an organ into equal Left/Right halves. A Transverse plane divides the body or an organ into Superior/Inferior halves.

Midsagittal Section of Sheep Brain

Frontal (Coronal) Section of Sheep Brain

Transverse Section of Sheep Brain

Regional Terminology In Human Anatomy & Physiology, we use scientific terms for various regions of the body. Know the following regional terms on the baby doll:

Major Body Organs Know the following organs on the torso model:

A. Larynx B. Lung D. Liver

E. Stomach G. Small Intestine H. Large Intestine

B. Lung C. Heart F. Pancreas

I. Kidney J. Adrenal Gland K. Urinary Bladder

Body Cavities Body cavities are areas in the body that usually house an organ, bone, or other body part. Know the following body cavities.

The diagram below lists the organs housed within the body cavities.

In addition to the information above: The Pleural cavities house the lungs. The Pericardial cavity houses the heart.

Abdominopelvic Quadrants In Human Anatomy & Physiology, we sometimes divide the abdominopelvic cavity into quadrants to make studying the cavity easier. Know the following body quadrants:

Abdominopelvic Regions In Human Anatomy & Physiology, we sometimes divide the abdominopelvic cavity into nine regions to make studying the cavity easier. Know the following abdominopelvic regions:

Body Systems For each of the following body systems, know the organs that are listed and to which body system the organs belong:

Integumentary System Know the parts of the Integumentary System (listed below) on the skin model in the lab.

A. Epidermis

D. Hair

B. Dermis

E. Sebaceous Gland

C. Hypodermis

F. Sweat Gland

More Directional Terms on Skin Model: A is Superficial to B B is Deep to A

Skeletal System Know the parts of the Skeletal System (listed below the picture) on the knee joint model in lab.

A. Bone (femur, tibia, fibula on diagram) B. Ligament (1, 2, 3, 4, 5 on diagram) C. Cartilage (6 & 7 on diagram)

Muscular System Know the parts of the Muscular System (listed below the picture) on the muscle man model in the lab.

A. Muscle (red on diagram) B. Tendon (grayish white on diagram)

Nervous System Know the parts of the Nervous System (listed below the picture) on the nerve man model in the lab.

A. Brain (in skull) B. Spinal Cord (extends from brain) C. Peripheral Nerves (yellow on diagram; extend from brain/spinal cord)

Endocrine System Know the glands of the Endocrine System on the model board in the lab.

1. Pituitary Gland

13. Pancreas

5. Thyroid Gland

16. Testis

8. Parathyroid Gland

20. Ovary

9. Adrenal Gland

You will not need to know the Pineal Gland for the first lab exam. It will be covered when we study the brain.

Cardiovascular System Know the organs of the Cardiovascular System (listed below the picture) on the heart model in the lab.

A. Heart B. Aorta (large red vessel extending from top of heart) C. Arteries D. Veins

Lymphatic System Know the following parts of the Lymphatic System on the diagram displayed in the lab. Note: The diagram in the lab looks different from this one, but has the same organs.

A. Lymph Nodes B. Lymph Vessels C. Spleen D. Thymus You do not need to know “Tonsil”

Respiratory System Know the parts of the Respiratory System (listed below the picture) on the respiratory system model in the lab.

A. Larynx B. Trachea C. & D. Lungs Bronchi (not shown in picture)

Digestive System Know the parts of the Digestive System (listed below the picture) on the digestive system model in the lab.

1. Teeth

12. Liver

6. Esophagus

13. Small Intestine

7. Stomach

15a. Ascending Colon

9. Pancreas

15b. Transverse Colon

11. Gallbladder

15c. Descending Colon

Urinary System Know the parts of the Urinary System (listed below the picture) on the urinary system model in the lab.

12. Kidney 24. Ureter 37. Urinary Bladder Urethra

Male Reproductive System Know the parts of the Male Reproductive System (listed below the picture) on the male reproductive system model in the lab.

1. Penis

52. Testes

3. Scrotum

53. Epididymis

38. Seminal Vesicle

Vas Deferens (on diagram displayed in lab)

40. Prostate Gland

Female Reproductive System Know the parts of the Female Reproductive System (listed below the model) on the female reproductive system model in the lab.

20. Fallopian Tubes 21. Ovary 22. Uterus 29. Vagina

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