9.2

A group of similar cells that come together to perform a specific function is a/an

• organ

• organism

• organ system

• tissue

Tags

NGSS.MS-LS1-3

The heart contains different types of tissue. What level is the heart?

• cell

• organ system

• organ

• tissue

Which is the main organ of the nervous system?

• lung

• kidney

• heart

• brain

Tags

112.19.b.12.B

Which two systems work together to transport nutrients to the body for energy?

• The nervous and digestive systems

• The respiratory and circulatory systems

• The digestive and circulatory systems

• The skeletal and digestive systems

Tags

112.19.b.12.B

Which of the following is a true statement about bacteria?

• Bacteria exist in only a few environments on earth

• Bacteria can grow to extremely large sizes

• Most bacteria are harmful to humans

• Bacteria can be both harmful and helpful to humans

Homeostasis is defined as:

• The process of maintaining a stable internal environment

• The process of maintaining a stable environment

• Keeping your temperature at a set point

• Receptors sensing changes in your body

Tags

NGSS.MS-LS1-3

Which of the following is not regulated by homeostasis?

• body temperature

• blood sugar

• blood pH

• body movements

Identify the best description of a bacterium.

• Made of many cells

• Single-celled organism without a nucleus

• Single-celled organism with DNA stored in a capsid

• A non-living organism made of DNA and protein

Tags

NGSS.MS-LS1-1

Identify the most accurate definition for a contagious disease.

• A disease caused by factors such as lifestyle and genetics

• A disease that can be passed from person to person

• A disease that is caused by pathogens

• A disease caused by bacteria

Recall how fever helps fight disease as part of the second line of defence

• It flushes pathogens out of the body

• It forms a barrier that stops pathogens from entering the body

• It brings more white blood cells to fight pathogens

• It slows down or kills some pathogens