Human Body Systems: Part 1

Question 1

What body system provides a protective covering for the body and aids in eliminating wastes?

Answer 1

Integumentary System

Question 2

What is Homeostasis?

Answer 2

the maintenance of a stable internal body environment

Question 3

What are composed of tissues and organs which carry out one or more functions in the body?

Answer 3

Body Systems

Question 4

What is the result of the work of antagonistic pairs of muscles working within the skeletal system?

Answer 4

Body Movement

Question 5

What body system is made up of various glands that secrete hormones?

Answer 5

Endocrine System

Question 6

What are chemical messengers that cause a change in cells or tissue in the body?

Answer 6

Hormones

Question 7

What body system breaks down food and absorbs nutrients?

Answer 7

Digestive System

Question 8

What body system transports gases, nutrients, and wastes around the body?

Answer 8

Circulatory System

Question 9

What connects skeletal muscle to the bone?

Answer 9

Tendon

Question 10

What is a band of tissue that connects bones over moveable joints?

Answer 10

Ligament

Question 11

What are soft, flexible tissue padding joints?

Answer 11

Cartilage

Question 12

What is a complex living structure that contains nerves and blood vessels?

Answer 12

Bone(s)

Question 13

What is a place where two or more bones meet?

Answer 13

Joint

Question 14

What is a body tissue that can contract and relax?

Answer 14

Muscle

Question 15

What is Osteoporosis?

Answer 15

condition in which bone tissue is loosely packed and bones become weak

Question 16

What is Arthritis?

Answer 16

condition in which the joints swell and become stiff and painful

Question 17

What body system’s main function is to take in oxygen and eliminate carbon dioxide?

Answer 17

Respiratory System

Question 18

What is the main organ of the respiratory system?

Answer 18

Lungs

Question 19

What is a body tissue made up of many types of cells suspended in a yellowish liquid?

Answer 19

Blood

Question 20

What is a protein which binds oxygen to the blood cell?

Answer 20

Hemoglobin

Question 21

What is the yellowish liquid in blood that contains salts, proteins, nutrients, and wastes?

Answer 21

Plasma

Question 22

What body system helps move oxygen, nutrients, and other important substances to every cell in the body?

Answer 22

Circulatory System

Question 23

What are the Atria?

Answer 23

the upper chambers of the heart

Question 24

What are the Ventricles?

Answer 24

the lower chambers of the heart

Question 25

What body system produces, stores, and circulates white blood cells?

Answer 25

Lymphatic System

Question 26

What body system includes the heart, blood vessels, and blood?

Answer 26

Cardiovascular System

Question 27

What are proteins that speed up chemical reactions and help turn food particles into simple molecules?

Answer 27

Enzymes

Question 28

What organ filters toxins and waste from the blood?

Answer 28

Kidneys

Question 29

What are millions of tiny filtering units inside each kidney?

Answer 29

Nephrons

Question 30

What body system removes cellular wastes from the body through the lungs, skin, and the urinary system?

Answer 30

Excretory System

Question 31

What body system converts food into fuel and helps get rid of solid waste?

Answer 31

Digestive System

Question 32

What organ makes bile, which breaks fats into simpler molecules?

Answer 32

Liver

Question 33

What body system controls growth, regulates metabolism, reacts to stress and danger, and regulates reproduction?

Answer 33

Endocrine System

Question 34

What is an Axon?

Answer 34

a long thin extension of a neuron

Question 35

What is a Neuron?

Answer 35

nerve cells that are specialized to carry electrical signals

Question 36

What is Diabetes?

Answer 36

disease in which a person has unregulated high levels of blood glucose

Question 37

What is a Dendrite?

Answer 37

shorter branched extension of a neuron

Question 38

What are a group of cells that make chemicals called hormones?

Answer 38

Gland(s)

Question 39

What is a Pituitary Gland?

Answer 39

stimulates growth and sexual development

Question 40

What is the gland that produces insulin to regulate blood glucose levels?

Answer 40

Pancreas

Question 41

What is a "system"?

Answer 41

A system is a group of independent but related elements that make up a unified whole.

Question 42

Is it true that each organ has only one function in the body and belongs to only one organ system?

Answer 42

No, the same organ can be part of different body systems. For example, the heart belongs to the muscular and cardiovascular systems. The brain is part of many body systems.

Question 43

What does food provide the body with?

Answer 43

Food is a source of energy, building materials for the body, and vitamins and minerals.

Question 44

How does the nervous system work together with the biceps and triceps muscles?

Answer 44

The brain sends signals through the nerves to the biceps and triceps muscles, which cause them to contract and relax. The brain also learns to activate different numbers of muscle bundles in these muscles, depending on the weight of the objects the arm needs to lift.

Question 45

How does the muscle "know" how to exert the correct amount of force to lift a light or heavy object?

Answer 45

The nervous system stores information regarding how many muscle bundles are needed to activate different muscles under different conditions. The more bundles that contract, the bigger and harder the muscle will be.

Question 46

Why is a person's heart rate a good indication of his or her activity level?

Answer 46

As a person’s activity level goes up, the heart rate increases to supply more oxygen and sugar to the muscles.

Question 47

What are chemical messengers?

Answer 47

Hormones