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Homeostasis n Urine System

Total questions: 70

Worksheet time: 37mins

Name
Class
Date
1.

What role does the skin have in the excretory system?

a)

Removing dead skin cells

b)

Removing old hair follicles

c)

Removing liquid waste in sweat

d)

Protecting against infection

2.

What organ is responsible for filtering the blood?

a)

Lungs

b)

Bladder

c)

Kidneys

d)

Heart

3.

What is the name of stretchy, muscular organ responsible for holding urine until you decide to use the bathroom?

a)

Kidneys

b)

Urethra

c)

Ureter

d)

Bladder

4.

Which structure transports urine from the kidney to the bladder?

a)

Ureter

b)

Urethra

c)

Bladder

d)

Kidney

5.

What is the name of the structure that leads from the bladder to the outside environment?

a)

Ureter

b)

Bladder

c)

Urethra

d)

Kidney

6.

In each kidney there are millions of tiny filtering units responsible for cleaning the blood, what are they?

a)

Alveoli

b)

Villi

c)

Nephrons

d)

Cilia

7.
In addition to water, the principal components of urine are
a)
amino acids and fatty acids
b)
urea and salts
c)
ammonia and bile
d)
hydrochloric acid and bases
8.

The excretory system is responsible for moving toxic wastes, dissolved molecules, and excess heat. You would conclude that the excretory system contributes to

a)

circulating molecules around the body

b)

maintaining homeostasis in the body

c)

producing glucose

d)

gas exchange

9.
Which sequence represents the correct pathway for the removal of urine from the human body?
a)
kidney → ureter → urinary bladder → urethra
b)
kidney → urethra → urinary bladder → ureter
c)
ureter → kidney → urinary bladder → urethra
d)
urethra → kidney → urinary bladder → ureter
10.
In humans, the organ that most directly regulates the concentration of water in the blood is the
a)
heart
b)
liver
c)
pancreas
d)
kidney
11.
The nephron is the structural unit of the human
a)
lung
b)
liver
c)
kidney
d)
intestine
12.

Which excretory organ eliminates water and some chemical wastes in perspiration (sweating)?

a)

lungs

b)

skin

c)

liver

d)

kidneys

13.

The excretory system works directly with the ___ system to allow blood to be filtered in the kidneys.

a)

skeletal

b)

digestive

c)

circulatory

d)

endocrine

14.
There are two kidneys, two ureters, one urinary bladder, and one urethra.
a)
True
b)
False
15.
Before the kidney filter it out, where does urea exist?
a)
In your intestines
b)
In your liver
c)
In your stomach
d)
In your bloodstream
16.

Identify the structure labelled "A" in the diagram.

a)

Kidney

b)

Ureter

c)

Bladder

d)

Urethra

17.

Identify the structure labelled "B" in the diagram.

a)

Kidney

b)

Ureter

c)

Bladder

d)

Urethra

18.

Identify the structure labelled "C" in the diagram.

a)

Kidney

b)

Ureter

c)

Bladder

d)

Urethra

19.

Identify the structure labelled "D" in the diagram.

a)

Kidney

b)

Ureter

c)

Bladder

d)

Urethra

20.

All of these structures combined make up which system?

a)

Integumentary System

b)

Digestive System

c)

Urinary System

d)

Immune System

21.

What role does the skin have in the excretory system?

a)

Removing dead skin cells

b)

Removing old hair follicles

c)

Removing liquid waste in sweat

d)

Protecting against infection

22.

What organ is responsible for filtering the blood?

a)

Lungs

b)

Bladder

c)

Kidneys

d)

Heart

23.

What is the name of stretchy, muscular organ responsible for holding urine until you decide to use the bathroom?

a)

Kidneys

b)

Urethra

c)

Ureter

d)

Bladder

24.

Which structure transports urine from the kidney to the bladder?

a)

Ureter

b)

Urethra

c)

Bladder

d)

Kidney

25.

What is the name of the structure that leads from the bladder to the outside environment?

a)

Ureter

b)

Bladder

c)

Urethra

d)

Kidney

26.

In each kidney there are millions of tiny filtering units responsible for cleaning the blood, what are they?

a)

Alveoli

b)

Villi

c)

Nephrons

d)

Cilia

27.
In addition to water, the principal components of urine are
a)
amino acids and fatty acids
b)
urea and salts
c)
ammonia and bile
d)
hydrochloric acid and bases
28.

The excretory system is responsible for moving toxic wastes, dissolved molecules, and excess heat. You would conclude that the excretory system contributes to

a)

circulating molecules around the body

b)

maintaining homeostasis in the body

c)

producing glucose

d)

gas exchange

29.
Which sequence represents the correct pathway for the removal of urine from the human body?
a)
kidney → ureter → urinary bladder → urethra
b)
kidney → urethra → urinary bladder → ureter
c)
ureter → kidney → urinary bladder → urethra
d)
urethra → kidney → urinary bladder → ureter
30.
In humans, the organ that most directly regulates the concentration of water in the blood is the
a)
heart
b)
liver
c)
pancreas
d)
kidney
31.
The nephron is the structural unit of the human
a)
lung
b)
liver
c)
kidney
d)
intestine
32.

Which excretory organ eliminates water and some chemical wastes in perspiration (sweating)?

a)

lungs

b)

skin

c)

liver

d)

kidneys

33.

The excretory system works directly with the ___ system to allow blood to be filtered in the kidneys.

a)

skeletal

b)

digestive

c)

circulatory

d)

endocrine

34.
There are two kidneys, two ureters, one urinary bladder, and one urethra.
a)
True
b)
False
35.
Before the kidney filter it out, where does urea exist?
a)
In your intestines
b)
In your liver
c)
In your stomach
d)
In your bloodstream
36.

Identify the structure labelled "A" in the diagram.

a)

Kidney

b)

Ureter

c)

Bladder

d)

Urethra

37.

Identify the structure labelled "B" in the diagram.

a)

Kidney

b)

Ureter

c)

Bladder

d)

Urethra

38.

Identify the structure labelled "C" in the diagram.

a)

Kidney

b)

Ureter

c)

Bladder

d)

Urethra

39.

Identify the structure labelled "D" in the diagram.

a)

Kidney

b)

Ureter

c)

Bladder

d)

Urethra

40.

All of these structures combined make up which system?

a)

Integumentary System

b)

Digestive System

c)

Urinary System

d)

Immune System

41.
If the environment gets cold, we will often shiver in order to:
a)
keep body temperature the same as the external temperature
b)
decrease body temperature
c)
increase body temperature
d)
regulate blood pressure
42.
What is another word that can be used to describe "homeostasis"?
a)
STABLE
b)
EQUAL
c)
COMPLETE
d)
CORRECT
43.

Which of the following is not regulated by homeostasis?

a)

body temperature

b)

blood sugar

c)

blood pH

d)

body movements

44.

which organ will balance the glucose level in the blood by releasing hormones like insulin or glucagon?

a)

Stomach

b)

Small intensine

c)

large intestine

d)

Pancreas

45.

Excess of glucose will be stored in what form?

a)

insulin

b)

glycogen

c)

glucagon

d)

glucose

46.

Which hormone is released when blood sugar gets too high?

a)

glucose

b)

glucagon

c)

glycogen

d)

insulin

47.

Which hormone is released when blood sugar gets too low?

a)

glucose

b)

glucagon

c)

glycogen

d)

insulin

48.

Glucagon causes muscles and the liver to release _____ back into the bloodstream

a)

glucose

b)

glucagon

c)

glycogen

d)

insulin

49.

Which of the following correctly pairs the hormone and the response that it causes

a)

Glucagon - makes body cells take in glucose

b)

Insulin - makes body cells take in glucose

c)

Pancreas - makes liver release stored glucagon

d)

Liver - makes pancreas take in stored insulin

50.

This graph shows an example of...

a)

Blood sugar regulation

b)

Homeostasis

c)

Negative feedback

d)

Positive feedback

51.

According to this graph, what is the person doing during the event (blue region)

a)

Eating

b)

Exercising

c)

Type 1 Diabetes

d)

Type 2 Diaibetes

52.

What is true about the person this graph is about?

a)

They are eating and healthy

b)

They are exercising and healthy

c)

They are eating and unhealthy

d)

They are exercising and unhealthy

53.

What is the difference between type 1 and type 2 diabetes?

a)

People with Type 1 make more insulin than people with Type 2

b)

People with Type 1 don't make insulin and people with Type 2 don't make glucagon

c)

People with Type 1 make ineffective glucagon, people with Type 2 make ineffective insulin

d)

People with Type 1 don't make insulin, people with Type 2 make ineffective insulin

54.

diabetes is a disease that affects your body's ability to produce or use ___.

a)

energy

b)

insulin

c)

glucose

d)

negative feedback

55.

What is the function of insulin?

a)

diagnose diabetes

b)

turn glucose into energy

c)

help glucose enter the cells of the body

d)

Release glucose stored in the liver

56.

Which of the following describes homeostasis?

a)

keeps variables exactly at the set point

b)

organism's ability to maintain steady(stable) internal conditions

c)

acts to keep values outside of a desired range

d)

operates through positive feedback

57.

Negative feedback loops ...

a)

are one way an organism can maintain homeostasis.

b)

are rarely found in healthy individuals

c)

respond by making deviations from normal even larger

d)

cannot be counteracted with medicine

58.

Which correctly identifies all steps involved in negative feedback?

a)

initiation event, stimulus, positive feedback, response, effector, control center, receptor

b)

termination event, stimulus, reply, effector, control center, and receptor

c)

initiation event, response, stimulus, effector, command center

d)

initiation event, stimulus, receptor, control center, effector and response

59.

What part of the negative feedback loop is what happens inside of the organism, as the result of the effector?

a)

Initiation event

b)

Response

c)

Receptor

d)

Effector

60.

This part of the negative feedback loop causes a change in the environment, a disruption to homeostasis.

a)

initiation event

b)

control center

c)

effector

d)

receptor

61.

A change inside of the organism caused by the initiation event is the ...

a)

response

b)

effector

c)

control center

d)

stimulus

62.

Which part of the feedback loop is a body part that makes a change to bring the system back to homeostasis?

a)

Effector

b)

control center

c)

response

d)

receptor

63.

What detects that the system is outside of homeostasis and adjustments need to be made?

a)

effector

b)

response

c)

control center

d)

stimulus

64.

The body part that senses the change inside the organism ...

a)

receptor

b)

control center

c)

effector

d)

response

65.

Identify the initiation event.


Scenario: A person begins to exercise which causes their body temperature to increase. The temperature change is noticed and the person begins to sweat and their body temperature decreases.

a)

temperature change is noticed

b)

person begins to sweat

c)

body temperature decreases

d)

person begins to exercise

66.

Identify the stimulus event.


Scenario: A person begins to exercise which causes their body temperature to increase. The temperature change is noticed and the person begins to sweat and their body temperature decreases.

a)

body temperature increases

b)

person begins to sweat

c)

temperature change is noticed

d)

person begins to exercise

67.

Identify the stimulus that restores homeostasis.


Scenario: A person begins to exercise which causes their body temperature to increase. The temperature change is noticed (sensed) and the person begins to sweat and their body temperature decreases.

a)

temperature changes is noticed

b)

a person begins to exercise

c)

body temperature increases

d)

body temperature decreases

68.

Which part of the feedback loop and body is responsible for sensing the temperature change?


Scenario: A person begins to exercise which causes their body temperature to increase. The temperature change is noticed (sensed) and the person begins to sweat and their body temperature decreases.

a)

control center - sweat glands

b)

receptor - sweat

c)

control center - hypothalamus (part of the brain)

d)

receptor - brain and skin receptors

69.

Identify the response.


Scenario: A person begins to exercise which causes their body temperature to increase. The temperature change is noticed (sensed) and the person begins to sweat and their body temperature decreases.

a)

the person begins to sweat

b)

the person begins to exercise

c)

change in temperature

d)

body temperature increases

70.

Which of the following is an example of a response to an internal stimulus?

a)

you are tired

b)

you are hot

c)

you eat food

d)

you are scared