Body Systems

Question 1

What are the 3 main functions of the Digestive Systems?

Answer 1

Digestion
Absorption
Elimination

Question 2

Chemicals produces by the body breaks foods in to their smaller chemical building blocks?

Answer 2

Chemical Digestion

Question 3

What is digestion?

Answer 3

The breaking down of food in to smaller nutrient molecules the body can use.

Question 4

What is absorption?

Answer 4

The process by which nutrient molecules pass through the wall of your digestive system in to your blood.

Question 5

What is elimination?

Answer 5

Materials that are not absorbed, such as fiber, are eliminated from the body as wastes.

Question 6

When your body gets ready to eat, it will increase the production of saliva or ________?

Answer 6

Spit

Question 7

Saliva plays an important part in both types of digestion

Answer 7

1. It moistens the food to help chew it and make it slippery so that is goes down easier.
2. It contains enzymes, which are proteins that speed up chemical reactions to begin breaking it down chemically.

Question 8

Your _____ carry out the 1st step of mechanical digestion.

Answer 8

Teeth

Question 9

Chewing?

Answer 9

Mastication

Question 10

Your center teeth, _____ cut the food into smaller pieces

Answer 10

Incisors

Question 11

Your sharp pointy teeth, ______ tear the food into smaller pieces

Answer 11

Canines

Question 12

Your back teeth, _____ crush and grind the food

Answer 12

Molars

Question 13

Digestive system tour

Answer 13

Goes from mouth, esophagus, stomach, small intestine, and large intestine.

Question 14

The esophagus is lined with _____ a thick slippery substance that makes it easy to swallow

Answer 14

Mucus

Question 15

Food is moved down the esophagus by waves of muscle contractions called?

Answer 15

Peristalsis

Question 16

Helps break down food as well as kills many bacteria that you swallow with your food.

Answer 16

Hydrochloric Acid

Question 17

The stomach is lined with _____ to protect it from the acid?

Answer 17

Mucus

Question 18

Almost all _____ digestion and _____ of nutrients takes place in the small intestine.

Answer 18

Chemical

Absorption

Question 19

The ____ is the largest organ in the body.

Answer 19

Liver

Question 20

The liver is like an extremely busy chemical ____ and plays a role in many body processes.

Answer 20

Factory

Question 21

For digestion the liver produces _____. A substance that breaks down fat particles.

Answer 21

Bile

Question 22

Bile is stored in the ?

Answer 22

Gallbladder

Question 23

Bile info:

Answer 23

Bile doesn’t chemically digest fat, it physically breaks the fat in to smaller particles much like dishwashing liquid does in the sink.

Question 24

The pancreas produces _____ that then break down the fat chemically.

Answer 24

Enzymes

Question 25

The inner surface of the small intestine is covered with ____ millions of tiny finger shaped structures filled with tiny blood vessels

Answer 25

Villi

Question 26

The large intestine contains _____ that feed on the material passing through. They produce vitamin K.

Answer 26

Bacteria

Question 27

What are the jobs of the circulatory system?

Answer 27

Deliver needed materials Remove waste products Fighting disease

Question 28

A hollow muscular organ that pumps blood throughout the body.

Answer 28

Heart

Question 29

The heart is about the size of your ______

Answer 29

Fist

Question 30

2 upper chambers called _____ which receive blood into the heart

Answer 30

Atrium

Question 31

2 lower chambers called _____ which pump blood out of the heart

Answer 31

Ventricles

Question 32

A ______ is flap of tissue that prevents blood from flowing backwards.

Answer 32

Valve

Question 33

Path of blood:

Answer 33

Right atrium, right ventricle, lungs, in lungs leave carbon dioxide and picks up oxygen, enters left atrium, left ventricle, pumps to body, leaves oxygen, picks up carbon dioxide and returns to right atrium.

Question 34

Carry blood away from the heart either to lungs or body

Answer 34

Arteries

Question 35

The liquid part of the blood

Answer 35

Plasma

Question 36

The part that takes up oxygen for transport

Answer 36

Red blood cells

Question 37

The soldiers of the blood that attack micro organisms that enter the body. They fight infection

Answer 37

White blood cells

Question 38

Cell fragments. When you get a cut they get trapped, form a clot, then dry to form a scab.

Answer 38

Platelets

Question 39

Jobs of the respiratory system

Answer 39

Taking in oxygen | Removing Carbon Dioxide and water

Question 40

Cells in nasal cavities have _____ a tiny hair like structures that sweep mucus down into your throat, where you swallow it and acid destroys the mucus

Answer 40

Cilia

Question 41

The passages that direct air into the lungs. They divide into smaller and smaller tubes in a pattern that resembles a tree.

Answer 41

Bronchi

Question 42

The Bronchi ends in _____ tiny sacks of lung tissue specialized for the movement of gases between air and blood.

Answer 42

Alveoli

Question 43

Sack like organs that inhale and exhale air. The main organs of the respiratory system

Answer 43

Lungs

Question 44

Dome shaped muscle that plays an important role in breathing.

Answer 44

Diaphragm

Question 45

Movement of air into and out of the lungs

Answer 45

Breathing