Chapter 1

Question 1

Negative Feedback Loop

Answer 1

• It is a regulatory mechanism for physiological function in living things
• Helps us maintain homeostasis by opposing the stimulus or cue that triggered the loop

Question 2

Example of Feedback Loop

Answer 2

I walk outside. It’s hot. My body temp needs to remain stable. To do this, my body starts sweating. The sweat helps maintain my proper body temperature.

Question 3

10 Anatomical Directions

Answer 3

1. Proximal/Distal
2. Medial/Lateral
3. Superior/Inferior
4. Superficial/Deep
5. Anterior/Posterior

Question 4

Another Word for Anterior:

Answer 4

Arterial

Question 5

Another Word for Posterior:

Answer 5

Dorsal

Question 6

3 Planes of the Body

Answer 6

1. Sagittal
2. Transverse
3. Frontal (coronal)

Question 7

Another Word for Frontal:

Answer 7

Coronal

Question 8

Anatomical Position

Answer 8

Body erect, face forward, arms at side, palms facing forward, feet together pointing forward.

Question 9

2 Major Organs Found in Thoracic Cavity

Answer 9

Lungs and Heart

Question 10

12 Major Organs Found in Abdominopelvic Cavity

Answer 10

1. Bladder
2. Part of intestine
3. Reproductive organs
4. Stomach
5. Spleen
6. Gallbladder
7. Pancreas
8. Kidneys
9. Adrenal Glands
10. Small Intestine
11. Large Intestine
12. Liver