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UNIT 3

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.
Name the levels of organization in the human body in order from smallest to largest:
a)
Tissue, organ, organ system
b)
Organ system, tissue, organs, cells
c)
Cells, tissue, organs, organ system
d)
Cells , organs, tissue, organ system
2.
Homeostasis
a)
allows for a wildly fluctuating internal environment
b)
is impossible in vertebrates
c)

is the maintenance of a relatively stable internal environment

d)

is the maintenance of a relatively stable external environment

3.

Your body is too hot. What senses your body temperature?

a)

nerve cells

b)

sweat cells

c)

blood cells

d)

muscle cells

4.

When you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.

a)

False

b)

True

5.

Identify the tissue

a)

Glandular tissue

b)

Nervous tissue

c)

Connective tissue

d)

Bone tissue

6.
Which of the following is a type of muscle tissue.
a)
Blood
b)
Skin
c)
Cardic
d)
Bone
7.
Which of the following is the function of the epithelial tissue?
a)
Supports body parts
b)
Covers body parts
c)
Binds body parts together
d)
Forms the framework of organs
8.

Which is not a function of the skeletal system?

a)

shape and support

b)

movement

c)

protection

d)

gas exchange

9.

What is a joint?

a)

The place where 2 or more bones meet.

b)

A band of tissue that holds bones together.

10.

The skeletal system works with the ______________ to help your body move.

a)

digestive system

b)

circulatory system

c)

respiratory system

d)

muscular system

11.

The skull protects which organ?

a)

heart

b)

lungs

c)

brain

d)

stomach

12.

What part of the skeleton protects the heart, lungs, and stomach?

a)

rib cage

b)

femur

c)

skull

d)

spine

13.
What is the name for the connector that attaches muscle to bone?
a)
ligament
b)
tendon
14.
This type of muscle tissue is found in the walls of hollow organs such as the stomach 
a)
Skeletal
b)
Cardiac
c)
Smooth
15.
The primary mineral stored by compact bone is
a)
Calcium
b)
Selenium
c)
Zinc
d)
Magnesium
16.

The adult body contains _______ bones

a)

300

b)

80

c)

126

d)

206

17.

Which part of the skeletal system protects the spinal cord?

a)

pelvis

b)

cranium/skull

c)

vertebra

d)

scapula

18.

Three ways you body can lose heat

a)

Evaporation of sweat

b)

Warm air exhaled out

c)

Hairs becoming erect

d)

Vasodilation

19.
What is the evaporation of a liquid to cool the body?
a)
Shivering
b)
Sweating
c)
Vasodilation
d)
Vasoconstriction
20.

Which organ acts as a control centre of a homeostasis process?

a)
b)
c)
d)