7th grade Science BM2 Review

This systems primary function is protection:  protection against disease, protection against body temperature changes, protection against loss of fluids, and protection of fingertips and toes.  

• excretory
• integumentary
• immune
• digestive

This systems functions are protection, structure, working with muscles for movement, and producing blood cells.  

• skeletal
• muscular
• integumentary
• digestive

 Which level of organization is blood?

• cell
• tissue
• organ
• organ system

Tags

NGSS.MS-LS1-3

This system's primary function is movement:  The movement of the body, movement of food through the digestive system, and the beating of the heart.  

• skeletal
• endocrine
• muscular
• respiratory

Within the human body, the gases oxygen and carbon dioxide are exchanged.  What system's function is to exchange the gases carbon dioxide and oxygen?

• circulatory
• digestive
• respiratory
• immune

Cells require materials such as nutrients, oxygen, and water to survive.  Cells also must remove wastes such as carbon dioxide.  What system serves as the transport system carrying needed materials to cells and transporting wastes away from cells?

• circulatory
• digestive
• integumentary
• nervous

Breaking down food, absorbing nutrients, and removing solid wastes are functions of what system?

• digestive
• immune
• circulatory
• muscular

Tags

NGSS.MS-LS1-7

Hormones, or chemical messengers, are part of which system?

• nervous
• digestive
• endocrine
• integumentary

What are the blood vessels that take the blood away from the heart?

• veins
• arteries

What system is this?

• skeletal
• nervous
• circulatory
• digestive