gr8 science

Question 1

main purpose of circulatory system

Answer 1

oxygen and carbon dioxide transport

Question 2

circulatory system main organs

Answer 2

heart, lungs, blood vessels, blood

Question 3

types of blood vessels

Answer 3

arteries,capillaraies,veins

Question 4

what does the arteries do

Answer 4

Carry blood away from the heart

Question 5

what do the capillaries do

Answer 5

where oxygen exchange happens

Question 6

veins

Answer 6

carry blood back to the heart

Question 7

what do platelets do

Answer 7

help you stop bleeding

Question 8

what is the human heart made of

Answer 8

muscle tissue

Question 9

what does the human heart do

Answer 9

move blood throughout body

Question 10

aorta

Answer 10

main artery in human body

Question 11

left atrium

Answer 11

receives blood from the lungs

Question 12

left ventricle

Answer 12

pumps blood to rest of body

Question 13

right atrium

Answer 13

receives blood from body

Question 14

right ventricle

Answer 14

pumps blood into lungs

Question 15

what does the respiratory system do

Answer 15

oxygen to carbon dioxide and provides oxygen to tissues

Question 16

what is the trachea

Answer 16

large opening to allow airflow and also allow us to breathe

Question 17

what is the bronchi

Answer 17

branching allows greater surface area for absorption

Question 18

what does the alveoli do

Answer 18

increase surface area for gas exchange

Question 19

what does the digestive system do

Answer 19

break down foods that can be absorbed into your bloodstream

Question 20

two types of digestion

Answer 20

chemical and mechanical

Question 21

teeth breaking down food is what

Answer 21

mechanical digestion

Question 22

saliva breaking down starch

Answer 22

chemical digestion

Question 23

what does the esophaugs do

Answer 23

tube that carries food from your larynx to your stomach

Question 24

what does stomach do

Answer 24

Enzyme called PEPSIN is activated by hydrochloric acid in the stomach Digests PROTEIN - breaks down into amino acids

Question 25

small intestine

Answer 25

has villi inside, where nutrients are absorbed, longest section of digestive system

Question 26

large intestine

Answer 26

move waste out of the system

Question 27

correct order of stomach parts

Answer 27

mouth,esophaugus,stomach,enzyme,small intestine, large intestine

Question 28

endocrine system

Answer 28

regulates the functions in our bodies by releasing hormones into them

Question 29

what is the central nervous system

Answer 29

composed of the brain and ur spinal cord

Question 29

excretory system

Answer 29

main function is to eliminate waste products.

Question 30

what is the peripheral nervous system

Answer 30

branches of nerves going out to rest of body

Question 30

motor neurons

Answer 30

tells muscles how to move

Question 31

sensory neurons

Answer 31

different inputs from the outside worl

Question 32

reflex arc

Answer 32

delayed reaction

Question 33

what is bronchitis

Answer 33

inflamed lining of bronchioles

Question 34

asthma

Answer 34

bronchioles narrow

Question 35

emphysema

Answer 35

damaged alveoli

Question 36

how does smoking effect respiratory system

Answer 36

tar, carbon monoxide, nicotine

Question 37

colon cancer

Answer 37

irritates colon wall

Question 38

peptic ulcer

Answer 38

hole in stomach or small intestine

Question 39

celiac

Answer 39

allergic to gluten, villi in small intestine doesn’t absorb gluten properly