Chapter 1: An Introduction to the Human Body

Question 1

Name the 11 organ systems.

Answer 1

1. Integumentary system
2. Muscular system
3. Skeletal system
4. Nervous system
5. Cardiovascular system
6. Respiratory system
7. Digestive system
8. Male reproductive system
9. Female reproductive system
10. Lymphatic system
11. Endocrine system

Question 2

This organ system encloses internal body structures, and is a site of many sensory receptors. Name major organs (3).

Answer 2

Integumentary system. Skin, nails, hair.

Question 3

This organ system supports the body, and enables movement along with the muscular system. Name major organs (3).

Answer 3

Skeletal system. Bones, cartilages, joints.

Question 4

This organ system enables movement along with the skeletal system, and helps maintain body temperature. Name major organs (2).

Answer 4

Muscular system. Skeletal muscles, tendons.

Question 5

This organ system detects and processes sensory information, and activates bodily response. Name major organs (3).

Answer 5

Nervous system. Brain, peripheral nerves, spinal cord.

Question 6

This organ system secretes hormones, and regulates bodily processes. Name major organs (6).

Answer 6

Endocrine system. Pituitary gland, thyroid gland, adrenal glands, testes, ovaries, pancreas.

Question 7

This organ system delivers oxygen and nutrients to tissues, and equalizes temperature in the body. Name major organs (2).

Answer 7

Cardiovascular system. Heart, blood vessels.

Question 8

This organ system returns fluid to blood, and defends against pathogens. Name major organs (4).

Answer 8

Lymphatic system. Lymphatic vessels, lymph nodes spleen, thymus.

Question 9

This organ system removes carbon dioxide from the body, and delivers oxygen to blood. Name major organs (3).

Answer 9

Respiratory system. Nasal passage, trachea, lungs.

Question 10

This organ system processes food for use by the body, and removes waste from undigested food. Name major organs (5).

Answer 10

Digestive system. Stomach, liver, gall bladder, small intestine, large intestine.

Question 11

This organ system controls water balance in the body, and removes waste from blood and excretes them. Name major organs (2).

Answer 11

Urinary system. Kidneys, urinary bladder.

Question 12

This organ system produces sex hormones and gametes, which is delivered to the female. Name major organs (2).

Answer 12

Male reproductive system. Epididymis, testes.

Question 13

This organ system produces sex hormones and gametes, supports embryo/fetus until birth, and produces milk for infant. Name major organs (3).

Answer 13

Female reproductive system. Mammary glands, ovaries, uterus.

Question 14

What is the body’s largest organ system?

Answer 14

Integumentary system.

Question 15

This is the sum of all anabolic and catabolic reactions

that take place in the body.

Answer 15

Metabolism.

Question 16

What are the 6 characteristics/qualifications of a living thing?

Answer 16

1. Metabolism
2. Responsiveness
3. Movement
4. Development
5. Growth
6. Reproduction

Question 17

How much of the air is oxygen?

Answer 17

20%

Question 18

Differentiate macronutrients versus micronutrients.

Answer 18

Macronutrients are needed in large amounts (ex. water, energy-yielding nutrients), while micronutrients are needed in small amounts (ex. vitamins and minerals).