Body Organization

A __________ is a group of cells that work together to perform a common function.

Tags

NGSS.MS-LS1-3

An __________ is a group of tissues that work together to perform a common function.

Which conditions must be regulated for the body to be stable and function properly? Check all that apply.

• amount of sugar in the body

• body temperature

• amount of water in the body

• amount of exercise

• body mass

How does the body maintain homeostasis when its inner temperature becomes higher than the normal body temperature?

• by producing goose bumps

• by sweating

• by shivering

What is the correct order of levels of organization, from smallest to largest?

• organism → tissue → organ → organ system → cell

• organism → organ system → organ → tissue → cell

• cell → tissue → organ → organ system → organism

• cell → organ → organ system → organism → tissue

What level of organization is represented by each image?

Image A

• tissue

• organ

• cell

Tags

NGSS.MS-LS1-1

What level of organization is represented by each image?

Image B

• cell

• organ

• tissue

Tags

NGSS.MS-LS1-3

What level of organization is represented by each image?

Image C

• tissue

• organ

• cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Sunny makes a poster showing the levels of organization in the human body.

How can Sunny correct his error? Check all that apply.

• Arrow A should point to the organ system.

• Arrow B should point to the cell.

• Arrow B should point to the organ.

• Arrow C should point to the muscle tissue.

• Arrow C should point to the organ system.

Tags

NGSS.MS-LS1-3

Which statements describe how the body maintains homeostasis on a hot day? Check all that apply.

• Muscles underneath the skin relax, causing hair on the skin to lay flat.

• Muscles underneath the skin contract, causing hair on the skin to stand up.

• Sweat reaches the surface of the skin and evaporates into the air.

• The nervous system and the muscular system work together.

• Muscles make small, rapid movements to produce heat within the body.