7th Science Human Body System Outline

Question 1

Name the body system with these major function -

1. Releases chemical messages into the bloodstream.
2. Helps to maintain homeostasis in the body

Answer 1

Endocrine System

Question 2

What are the major organs in the Endocrine System?

Answer 2

1. Endocrine Glands

2. Hormones

Question 3

What is a chemical that is produced by an endocrine gland in one part of an organism and is carried in the bloodstream to another part of the organism?

Answer 3

Hormone

Question 4

What other body systems does the Endocrine System work with?

Answer 4

Reproductive, Muscular, Skeletal and Nervous Systems

Question 5

What reduces the amount of stress hormone in the blood?

Answer 5

Laughter

Question 6

What is a physical who specializes in the diseases of the endocrine system?

Answer 6

Endocrinologist

Question 7

Name the body system with these major function -

1. Gathers information, or receives information, from your five senses - vision hearing, smell, taste and touch
2. Processes the information
3. Responds to information or stimuli
4. maintains homeostasis

Answer 7

Nervous System

Question 8

What are the major organs in the Nervous System?

Answer 8

1. Brain
2. Spinal Cord
3. Neurons, or nerve cells

Question 9

What is the part of the brain that controls memory, language, and thought?

Answer 9

Cerebrum

Question 10

What is the part of the brain that coordinate voluntary muscle movement and regulate balance and posture?

Answer 10

Cerebellum

Question 11

What is that area of the brain that controls involuntary functions and connects the brain and the spinal cord?

Answer 11

Brain Stem

Question 12

What other body systems does the Nervous System work with?

Answer 12

Muscular and Skeletal

Question 13

How fast can the signals received by the nervous system travel?

Answer 13

400 km/hour

Question 14

Name the body system with these major function -

1. Transports food, water, oxygen, and other materials to your body’s cells and tissues through your blood
2. Eliminates waste materials through your blood

Answer 14

Circulatory System

Question 15

What are the major organs in the Circulatory System?

Answer 15

1. Heart

2. Blood Vessels

Question 16

What are the upper two chambers of the heart?

Answer 16

Atria

Question 17

What are the lower two chambers of the heart?

Answer 17

Ventricles

Question 18

What is a vessel that carries blood away from the heart?

Answer 18

Artery

Question 19

What is a vessel that brings blood toward the heart?

Answer 19

Vein

Question 20

What other body systems does the Circulatory System work with?

Answer 20

Respiratory and Lymphatic Systems

Question 21

What is size of the average human heart?

Answer 21

5 inches tall, 3.5 inches wide and 2.5 inches thick

Question 22

Is the size of the human heart the same in everyone?

Answer 22

No, it varies by the size of the person.

Question 23

Name the body system with these major function -

1. To take in oxygen
2. To eliminate carbon dioxide

Answer 23

Respiratory System

Question 24

What are the major organs in the Respiratory System?

Answer 24

1. Lungs
2. Diaphragm
3. Trachea
4. Bronchi

Question 25

What is the main organ of the respiratory system?

Answer 25

Lungs

Question 26

What is a large muscle that contracts and relaxes to move air in and out of the lungs?

Answer 26

Diaphragm

Question 27

What other body systems does the Respiratory System work with?

Answer 27

Circulatory System

Question 28

What are caused when your diaphragm is irritated by eating too quickly or too much, or being nervous or excited?

Answer 28

Hiccups

Question 29

Name the body system with these major function - 1. Collects and eliminates wastes from the body 2. Regulates the level of fluid in the body

Answer 29

Excretory System

Question 30

What are the major organs in the Excretory System?

Answer 30

1. Kidneys | 2. Bladder

Question 31

What is a bean-shaped organ that filters, or removes, wastes from blood?

Answer 31

Kidney

Question 32

What is a muscular sac that holds urine until the urine is excreted?

Answer 32

Bladder

Question 33

What body system does the Excretory System work with?

Answer 33

Digestive System

Question 34

What can cause temporary color changes of your urine?

Answer 34

Some foods

Question 35

Name the body system with these major function - 1. Ingestion and digestion of food 2. Absorption of nutrients from food

Answer 35

Digestive System

Question 36

What are the major organs of the Digestive System?

Answer 36

1. Tongue 2. Salivary Glands 3. Mouth 4. Esophagus 5. Stomach 6. Small Intestine 7. Large Intestine

Question 37

What is the mechanical and chemical breakdown of food into small particles that your body can absorb and use?

Answer 37

Digestion

Question 38

What is a muscular tube that connects the mouth to the stomach?

Answer 38

Esophagus

Question 39

What is the waves of muscle contractions that move food through the esophagus and the rest of the digestive tract?

Answer 39

Peristalsis

Question 40

What other body systems does the Digestive System work with?

Answer 40

Excretory System

Question 41

Your digestive system is home to how many bacteria?

Answer 41

Between 10 and 100 trillion

Question 42

Name the body system with these major function - 1. Enables your skeleton to move 2. To maintain balance or stability 3. Protects your body 4. Regulates body temperature

Answer 42

Muscular System

Question 43

What are the major organs of the Muscular System?

Answer 43

1. Skeletal muscles 2. Heart (cardiac muscles) 3. All organs made of smooth muscle tissue

Question 44

What is a voluntary muscle that attaches to bones?

Answer 44

Skeletal Muscle

Question 45

What is an involuntary muscle found only in the heart?

Answer 45

Cardiac Muscle

Question 46

What is an involuntary muscles that are smooth in appearance?

Answer 46

Smooth Muscle

Question 47

What other body systems does the Muscular System work with?

Answer 47

Skeletal System

Question 48

How many facial muscles do you use when you smile?

Answer 48

17

Question 49

How many facial muscles do you use when you frown?

Answer 49

43

Question 50

When do you use the least about of facial muscles?

Answer 50

When you smile

Question 51

Name the body system with these major function - 1. Provides support 2. Enables different parts of the body to move in different ways 3. Skull protects the soft tissue of the brain 4. Bones store fat and calcium 5. Red blood cells produced in bones

Answer 51

Skeletal System

Question 52

What are the major organs in the Skeletal System?

Answer 52

1. Bones | 2. Skeleton

Question 53

What is a strong, flexible tissue that covers the ends of bones?

Answer 53

Cartilage

Question 54

What is where two or more bones meet?

Answer 54

Joint

Question 55

What is the tissue that connects two bones?

Answer 55

Ligament

Question 56

What other body systems does the Skeletal System work with?

Answer 56

Muscular System

Question 57

What is the largest bone in the body?

Answer 57

Femur

Question 58

What is the smallest bone in the body?

Answer 58

Stirrup - a bone in your ear

Question 59

How many bones are in the body?

Answer 59

206 to 208 depending on the scientist counting

Question 60

Name the body system with these major function - 1. Ensures survival of the human species 2. Produces and delivers six cells

Answer 60

Reproductive System

Question 61

What are the major organs in the Reproductive System?

Answer 61

1. In males - testes, ducts, urethra, penis | 2. In females - ovaries, fallopian tubes, vagina, uterus

Question 62

What is the male reproductive cell?

Answer 62

Sperm

Question 63

What is the female reproductive cell?

Answer 63

Egg

Question 64

What other body systems does the Reproductive System work with?

Answer 64

Endocrine System produces hormones that control and aid in sexual development.

Question 65

An egg is about how many times as wide as the head of a sperm.

Answer 65

40