Chapter 5: Organ Systems

Question 1

What is the largest organ in the integumentary system?

Answer 1

The skin

Question 2

What are the organs of the skeletal system?

Answer 2

Bones, and related tissues such as cartilage and ligaments.

Question 3

What are the major functions of the nervous system?

Answer 3

1. Communication to and from body organs
2. Integration of body functions
3. Control of body functions
4. Detection of sensory stimuli

Question 4

What organs make up the cardiovascular system?

Answer 4

the heart and a closed system of vessels made up of arteries, veins, and capillaries

Question 5

What is a tendon?

Answer 5

a dense strap or sheet of regular dense fibrous connective tissue that attaches the muscle to a bone.

Question 6

What are the 3 main types of muscles?

Answer 6

Skeletal, smooth and cardiac

Question 7

What is the Endocrine System composed of?

Answer 7

glands that secrete chemicals known as hormones directly into the blood.

Question 8

What is the primary function of the cardiovascular system?

Answer 8

Transportation. Transportation needs include continuous movement of oxygen and carbon dioxide, nutrients, hormones, and other important substances.

Question 9

What is the primary function of the cardiovascular system?

Answer 9

Transportation. Transportation needs include continuous movement of oxygen and carbon dioxide, nutrients, hormones, and other important substances.

Question 10

What kind of fluid do lymphatic vessels transport?

Answer 10

Lymph, a watery fluid that contains lymphocytes, proteins, and some fatty molecules but no red blood cells.

Question 11

How does the lymphatic system play a role in immunity?

Answer 11

Lymph nodes and other lymphoid structures act as small filters that trap and destroy bacterial cells, cancerous cells, and other debris that are carried by the lymph fluid as it flows through the tissues.

Question 12

What organs make up the Respiratory System?

Answer 12

Nose, Pharynx (throat), Larynx, (voice box), trachea (windpipe), bronchi, and lungs

Question 13

In addition to permitting movement of air into the alveoli, what other functions does the respiratory system carry?

Answer 13

If you live in a cold or dry environment, incoming air can be warmed and humidified as it passes over the lining of the respiratory air passages. In addition, inhaled irritants such as pollen or dust passing through the respiratory tubes can be trapped in the sticky mucus that covers the lining of many respiratory passages and then eliminated from the body.

Question 14

What are gonads?

Answer 14

Gonads produce sex cells for forming the offspring and produce hormones that regulate reproductive functions. In the male, gonads are the testes and in the female gonads are the ovaries.

Question 15

What are the functions of the lymphatic system?

Answer 15

The functions of the lymphatic system include movement of fluids and small particles from the tissue spaces around the
cells and movement of lipids absorbed from the digestive tract back to the blood.

Question 16

What are the primary organs of the digestive system?

Answer 16

mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, and anal canal.

Question 17

What are the 7 accessory organs of the digestive system?

Answer 17

Accessory digestive organs include the teeth, salivary glands, tongue, liver, gallbladder, pancreas, and appendix.

Question 18

What organ in males is shared by both the urinary system and the reproductive system?

Answer 18

The Urethra

Question 19

The primary organs of the digestive system make a long tube called the

Answer 19

Gastrointestinal Tract

Question 20

____ is another term for voluntary muscle

Answer 20

Skeletal Muscle

Question 21

Although it is part of the skeletal system, red bone marrow is often considered to also be a ________ structure

Answer 21

Lymphoid

Question 22

The nervous system can generate special electrochemical signals called

Answer 22

Nerve impulses

Question 23

What are the 4 accessory structures of the skin?

Answer 23

Hair, nails, glands (oil and sweat), and sense organs

Question 24

What organ is considered part of both the lymphatic and endocrine systems?

Answer 24

Thymus

Question 25

The skeletal system is composed of bone tissue and these two related tissues:

Answer 25

Cartilage and ligament

Question 26

What are 3 functions of the integumentary system?

Answer 26

Protects underlying structures, sensory reception, and regulation of body temperature

Question 27

What is a function of the skeletal system?

Answer 27

Provides a rigid framework for the body and stores minerals

Question 28

What is a function of the Muscular System?

Answer 28

Provides movement, body posture, and heat

Question 29

What is a function of the Nervous System?

Answer 29

Uses electrochemical signals to integrate and control body functions

Question 30

What is a function of the Endocrine System?

Answer 30

Uses hormones to regulate body functions

Question 31

What is a function of the Cardiovascular System?

Answer 31

Transports substances from one part of the body to another

Question 32

What is a function of the Lymphatic System?

Answer 32

Transports fatty nutrients from the digestive system to the blood

Question 33

What is a function of the Respiratory System?

Answer 33

Exchanges oxygen and carbon dioxide and regulates acid-base balance

Question 34

What is a function of the Digestive System?

Answer 34

Physical and chemical change in nutrients and absorption of them

Question 35

What is a function of the Urinary System?

Answer 35

Cleans the blood of metabolic wastes and regulates electrolyte balance

Question 36

What is a function of the Reproductive System?

Answer 36

Ensures the survival of the species rather than the individual