Nervous System and Excretory system

Question 1

Urine passes out fo the body through a tube called the

Answer 1

urethra

Question 2

The main function of the excretory system is

Answer 2

to remove wastes

Question 3

The ________ stores urine untill it passes out the body

Answer 3

bladder

Question 4

The ________ are the organs that filter the blood and create liquid wastes

Answer 4

kidneys

Question 5

_____________ are tiny filtering structures INSIDE the kidneys where urine is made

Answer 5

Nephrones

Question 6

What are the 3 main components of urine?

Answer 6

water, salt and urea

Question 7

To mainitain a stable internal environment

Answer 7

homeostasis

Question 8

A change or signal in the environment that causes and organism to react

Answer 8

stimulus

Question 9

A _________ is how an organism reacts to a stimulus

Answer 9

response

Question 10

_______________ neurons send signals to muscles or organs

Answer 10

motor

Question 11

________ neurons send signals to the brain

Answer 11

sensory

Question 12

The part of the brain that controls breathing, digestion and other involuntary actions

Answer 12

medulla

Question 13

The part of the brain that controls balance and coordination

Answer 13

cerebellum

Question 14

The space between two neurons is called a

Answer 14

synapse

Question 15

The part of the brain that controls memory

Answer 15

cerebrum

Question 16

the part of the brain that controls the senses

Answer 16

cerebrum

Question 17

In a reflex the signal does not go all the way to the _____

Answer 17

brain

Question 18

The sense organs send information about the environment to the ______

Answer 18

brain

Question 19

List the 5 senses

Answer 19

hear, touch, taste, smell, sight

Question 20

Drugs that slow down the nervous system are called

Answer 20

depressants

Question 21

Drugs that speed up the nervous system are called

Answer 21

stimulants

Question 22

Name 2 other organs besides the kidneys that re excretory organs

Answer 22

skin and lungs

Question 23

What is the main waste that is removed by the lungs

Answer 23

carbon dioxide

Question 24

What is the main waste product excreted by the skin

Answer 24

heat

Question 25

In order to maintain the proper amount of water in the body, when you need more water your body signals you by feeling ______ .

Answer 25

thirsty

Question 26

What do the kidneys do to conserve water?

Answer 26

reabsorb more water back into the blood; excrete less water