Body system

Question 1

Why is blood important to the body?

Answer 1

Because it carries oxygen and nutrients.

Question 2

What is plasma?

Answer 2

It is 55% part of our blood.

Question 3

What are four chambers of you heart and where are they located?

Answer 3

2 atrias on the top & 2 ventricles on the bottom.

Question 4

What are the tubes that carry blood back towards your heart?

Answer 4

Veins

Question 5

Which circulation, moves the shortest distance, going from the heart, to the lungs, and back.

Answer 5

Pulmonary circulation.

Question 6

What is another name for throat?

Answer 6

Pharynx.

Question 7

Where does the majority of vitamins and nutrients go?

Answer 7

To the small intestine.

Question 8

What is the sophagus?

Answer 8

The tube inside our throat that allows food and drinks to travel into our stomach.

Question 9

What is saliva made out of?

Answer 9

Enzymes.

Question 10

What does the large intestine do?

Answer 10

It absorbs any parts of the food we ate that the body cant use.

Question 11

What are neurons?

Answer 11

Nerve cells

Question 12

What is the nervous system made up of?

Answer 12

Billions of neurons, that are bundled up together to make nerves.

Question 13

What are the three most important parts of neurons?

Answer 13

Cell body, which is in the center of the neuron.
Dendrites, which branch off to talk to other cells close by.
Axons, which connect the cell body to the muscular system.

Question 14

What are motor nerves and sensory nerves?

Answer 14

Motor nerves transmit singing los from the the brain to the outer parts of the body about moments that muscles make inside the body. Sensory nerves gather info from the 5 senses to tell the brain what going to in the world around.

Question 15

What are the central nervous system and the peripheral nervous system?

Answer 15

The central nervous system sends messages from your nerves to your brain. The peripheral nervous system consists of all the nerves in the body.

Question 16

What are muscles attached to?

Answer 16

Bones

Question 17

How do muscles work?

Answer 17

By expanding and contracting.

Question 18

Name the 3 types of muscles and what they do.

Answer 18

Skeletal muscles allow your body to move while also giving you power and strength. Smooth muscles control organs within your body. Cardiac muscles work together to pump blood.

Question 19

What are involuntary muscles and voluntary muscles ?

Answer 19

Involuntary muscles keep the body parts like breathing and blinking moving without us having to tell it to. Voluntary muscles is when we move when we tell it to.

Question 20

What is the largest muscle in the body.

Answer 20

The booty.

Question 21

What is the largest and most important organ in the respiratory system?

Answer 21

The two lungs.

Question 22

What is pharynx?

Answer 22

The back of your mouth

Question 23

What is larynx?

Answer 23

The voice box.

Question 24

What is trachea?

Answer 24

The windpipe where the air goes down, it splits into 2 different directions further down in the throat.

Question 25

What is the diaphragm?

Answer 25

The diaphragm is a muscles that sits right under the lungs, it flattens each time we breathe in to give the lungs the space they need to expand to fill with are.

Question 26

How many bones are in your body?

Answer 26

206

Question 27

Are bones layered?

Answer 27

Yes, the thick outer layer is the periosteum which is made out of blood vessels and nerves, below is the compact bone which is made up of its on layers called chancellors bones, which are soft and protect the deepest layer called bone marrow, which is soft like jelly and works hard to make blood cells.

Question 28

How do the bones make you move?

Answer 28

Since they are not flexible, they are surround by muscles that are attached to the bones by tendons, then the bones connect themselves to one another by joints, which allows you to move back and forth.

Question 29

What are the 4 different types of bones?

Answer 29

Long bones, which are up bigger body parts (arms, ribs), short bones, which make up mall parts (hands, feet), flat bones make up body parts like the skull and ribs and sesamoid bones which cover unusually shaped places of your body like the kneecap or the ball of your foot.

Question 30

What the most important bones in the body?

Answer 30

The skull, which protects your brai and forms the structure of you face. Your spine, which has 26 separate bones that allows you to stand, sit down, and turn your body. Your rib cage, which protects your lungs, heart, and other important internal organs.