Intro to Human Body Systems

All living things are made of the smallest unit of life which is a

• atom

• cell

• organ

• tissue

A group of cells make a

• cell

• tissue

• organ

• organ system

A group of tissues make a

• cell

• tissue

• organ

• organism

A group of organs make an

• organ

• organism

• organ system

• None of the above

Lungs are a part of the _____________ system.

• circulatory

• respiratory

• digestive

• nervous

Organisms are living things. Which of the following is NOT an organism

• humans

• cat

• table

• dog

The heart is a main organ in which of the following systems?

• circulatory system

• muscular system

• skeletal system

• respiratory system

Which of the following body systems controls all other systems in the body?

• Muscular System

• Digestive System

• Heart System

• Nervous system

The main organ of the skeletal system is

• Bone

• Nerve

• Muscles

• All of these

How many body systems are there in all

• 5

• 4

• 11

• 3