Chapter 1

Question 1

Describe the cellular level

Answer 1

The smallest unit of living things

Question 2

What does the lymphatic system consist of?

Answer 2

Spleen, lymph nodes, thymus, bone marrow, and lymphatic vessels

Question 3

What does the lymphatic system do?

Answer 3

Pick up fluid leak from blood vessels and return it to the blood

Question 4

What does the cardiovascular system do?

Answer 4

Pumps and transports blood

Question 5

What is the urinary system in charge of?

Answer 5

Eliminating nitrogenous waste

Question 6

What is the function of the integumentary system?

Answer 6

Separates the bodies internal environment from the external environment

Question 7

What makes up the skeletal system?

Answer 7

Bones, cartilage, and ligaments

Question 8

What is the study of how the body parts work and carry out their life sustaining activities

Answer 8

Physiology

Question 9

What is the digestive system comprised of?

Answer 9

Intestine, liver, stomach, esophagus, and oral cavity

Question 10

Interactions among molecules, such as water, DNA and proteins is considered what level of structural organization?

Answer 10

Chemical

Question 11

What body system functions to produce blood cells?

Answer 11

Skeletal

Question 12

What is the study of large body structures visible to the naked eye?

Answer 12

Gross or macroscopic anatomy

Question 13

Blood clotting when the lining of a blood vessel is injured is an example of what type of feedback

Answer 13

Positive feedback mechanism

Question 14

What makes a feedback mechanism positive?

Answer 14

Because the change that results proceeds in the same direction as the initial change.

And positive feedback, the result or response enhances the original stimulus so that the response is accelerated

Question 15

What happens during negative feedback?

Answer 15

The body shuts off the original stimulus or reduced its intensity

Question 16

What is the purpose of negative feedback?

Answer 16

To prevent sudden severe changes within the body

Question 17

What are the 3 components of homeostatic control mechanisms

Answer 17

Receptor, control center, and effector

Question 18

Carbohydrates are found primarily in what type of food?

Answer 18

Plant derived

Question 19

What does the effector do in a negative feedback system??

Answer 19

Is the component that brings about change

Question 20

Which cavity contains the lungs and heart?

Answer 20

Thoracic

Question 21

The ventral body cavity is subdivided into which sets of cavities?

Answer 21

Thoracic and Abdominopelvic cavities

Question 22

Which serous membrane layer is closest to the surface of the heart?

Answer 22

Visceral pericardium

Question 23

Serous membranes line the cavity walls and surfaces of organs that are contained within which cavities?

Answer 23

Abdominopelvic & thoracic
( ventral body cavity)

Question 24

What are the six levels of structural organizational?

Answer 24

Chemical-atoms combine to form molecules

Cellular- cells are made up of molecules

Tissue-cells working for shared purpose

Organ level-tissues working together

Organ system-organs working together

Organismal-multiple organ systems

Question 25

What is homeostasis?

Answer 25

Maintaining stable body conditions

Question 26

What are the three planes of section?

Answer 26

Median, frontal and transverse

Question 27

What are the two major body cavities?

Answer 27

Dorsal and ventral
(Cranial & vertebral) (thoracic & abdominolpelvic)

Question 28

What organs are housed in the abdominal pelvic?

Answer 28

Digestive,reproductive, and urinary organs

Question 29

What does serous fluid do?

Answer 29

Reduce friction between layers