Science 3

Question 1

Think about the roles and functions of Nervous System

Answer 1

Controlling voluntary movements, controlling involuntary movements and controlling our internal environment

Question 2

Think about homeostasis and an example

Answer 2

The internal equilibrium or balance of your body. Ex:temperature maintainace, water level maintainace ,engry levels maintainace

Question 3

Stimulus:

Answer 3

An enviormental change that we can percieve (sound,light,temperature)

Question 4

Response:

Answer 4

The reaction to stimulus (to move,to scream,etc…)

Question 5

Brain

Spainal cord

Answer 5

CNS

Question 6

Pepheral nerve

Answer 6

PNS

Question 7

What does the word “Neuron” mean

Answer 7

Specific cell of nervous system

Question 8

Neurons
Sensory:
Motor:

Answer 8

Sensory:neuron that recive information from sense organs

Motor:neuron that sends information to muscle

Question 9

Said the 3 parts of the brain

Answer 9

Cerebrum:controls speech abstract thought movements 2 hemisphere
Cerebellum:controls balance and posture
Brain stems:in charge of involuntary movements

Question 10

Addiction:

Answer 10

Physical or psychological depends

Question 11

Whithdrawal:

Answer 11

When the effect of a substance decrease and and other diseas is needed

Question 12

Depressant:

Answer 12

Drug such alcohol or heroine that slows down messages along the CNS

Question 13

Stimulant:

Answer 13

Drug that speeds up the messages and function of CNS

Question 14

Stimulant are divide into: legal such as:—–1,—2 and illegal, for example:——-3,—- –4

Answer 14

Coffe1, tea2, cocaine3, exta sy 4

Question 15

Disease
————-
Infectious disease Noninfectious disease
——————— ————————–

Answer 15

Disease: condition in which homeostasis is broken
Infectious diseases: causes by pathogens can be transmitted from one person to another
Non-infectious disease: it is hot pathogens related. Ex: cancer, diabetes, etc…

Question 16

Bacteria:

Answer 16

Living things, can caus infectious➡️antibiotics

Question 17

Virus:

Answer 17

Non-living things, cell’s nucleus to grown and produce ➡️antivirals

Question 18

Fungi:

Answer 18

Living things that needs wet environment to grow➡️antifungal

Question 19

Protist:

Answer 19

Living things that cause digestive➡️antiprotozoal

Question 20

———— ———— ————

Answer 20

1 st line 2nd line 3rd line

Question 21

1st line

Answer 21

Physical barines
-skin
-nose
-mouth 
-saliva
-tears
-gastric juice 
 Avoid pathogens to get inside the the body

Question 22

2nd line

Answer 22

Inflammatory response

Macrophages engulf bacteria, histamine is produced, 4 sings of inflammatory: redness, tumor, heat, pain, fever

Question 23

3rd line of response:

Answer 23

Cellular response

specific cell Bcell, Tcell creat “memory” named inmunity

Question 24

It’s a characteristics of living things:

Answer 24

Reproduce

Question 25

Recessive:

Answer 25

Are the traits that are hidden inside the gene because they are not shown physical, but are still there as genetic infection(ex: blue eyes, blond hair)

Question 26

Dominant:

Answer 26

Are the traits that are visible physical because they are strong (ex: dark skin, dark eyes, dark hair)

Question 27

Chromosome:

Answer 27

In humans are 46 in each cell and holds all the genes and the genetic information

Question 28

DNA

Answer 28

(Deoxiri bonucle acid) are the instruction of all the gens