wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

1.3 - Homeostasis

Total questions: 20

Worksheet time: 3600secs

Name
Class
Date
1.

Which body system controls the body to maintain homeostasis?

a)

excretory (blood filtration an waste removal)

b)

nervous

c)

circulatory

d)

skeletal

2.

Which two systems work together to maintain homeostasis while transporting oxygen throughout the body and removing carbon dioxide?

a)

circulatory and respiratory

b)

respiratory and excretory (blood filtration)

c)

circulatory and digestive

d)

respiratory and digestive

3.

Which of the following is not regulated by homeostasis?

a)

body temperature

b)

blood sugar

c)

blood pH

d)

body movements

4.

____________________ helps warm the human body when we are cold.

a)

sweating

b)

shivering

c)

inhaling oxygen

d)

exhaling carbon dioxide

5.
What is mean by homeostasis?
a)
Controls and coordinates body activities through chemical 
b)
controls and coordinates body activities through electrical impulses
c)
For maintenance of a steady state in the internal environment
d)
remove metabolic waste products from the cel
6.
which of the factors not affecting the internal environment?
a)
Temperature
b)
Respiration
c)
pH value
d)

Osmotic pressure (water pressure in cells)

7.
which of the organ will balance the glucose level in the body?
a)
Stomach
b)
Small intensine
c)
Deodenum
d)
Pancrease
8.
Which of the system below not involved in body temperature?
a)
Nervous system
b)

Endocrine system (hormones)

c)

Excretory system (blood filtration)

d)

Muscular system

9.
What is human pH levl of the body?
a)
pH 7.4
b)
pH 2.3
c)
pH 6.9
d)
pH 9.3
10.

what is the function of integumentary system (skin & connective tissue) to control body temperature high?

a)
arterioles in the epidermis dilate so that more blood flow to the skin
b)
produce hormones to reduce the metabolic rate
c)
sweat glands in the skin produce more sweat and hair erector mucles relax to let the hair lie down
d)
detect the temperature and send to nerve impulses to the brain
11.
which of this activity not involved in negative feedback?
a)
osmotic pressure decrease and return to normal
b)
blood glucose level goes back to normal
c)
the corrective mechanism brings the low temperature up and back to normal again
d)
excess glucose turn into glycogen
12.

The 4 parts of the communication pathway to maintain homeostasis listed in order are:

a)

target, sensors, control center, communication system

b)

communication system, sensors, target, control center

c)

sensors, control center, communication system, target

d)

target, control center, sensors, communication system

13.

This responds to messages from the communication system and changes its level of activity to help you maintain homeostasis?

a)

sensors

b)

target organ or muscle

c)

communication system

d)

brain

14.

Osmoregulation means....

a)

maintain water levels

b)

maintain temperature

c)

maintain heart rate

d)

maintain breathing

15.

Thermoregulation means?

a)

Maintain temperature

b)

Maintain water levels

c)

Maintain heart rate

d)

Maintain breathing

16.

Positive Feedback loops are...

a)

Counteract changes that move above or below set values.

b)

more common

c)

regulate body temp

d)

Purposeful pushes above normal set values.

17.

Maintaining internal stable conditions is the definition of...

a)

Hypertonic

b)

Hypotonic

c)

Homeostasis

d)

Heterotroph

18.

What is the vascular tissue that carries water throughout a plant?

a)

phloem

b)

seedling

c)

xylem

19.

______________, pores on leaves through which plants lose water and exchange carbon dioxide and oxygen.

a)

stomata

b)

seed

c)

stem

20.

What is the function of the plant organelle called the vacuole?

a)

The vacuole stores water, nutrients, and waste.

b)

The vacuole produces proteins.

c)

The vacuole stores DNA.