Unit 9: Human Body Systems

What is the most basic unit of the body?

• Tissue

• Organ

• Cell

• System

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

What are tissues made of?

• Organs

• Cells

• Systems

• Bones

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Which of the following is an example of an organ?

• Skin

• Muscle

• Heart

• Nerve

How is the body compared to a factory in the text?

• It has a single worker.

• It has an organizational hierarchy.

• It produces goods.

• It operates machines.

Tags

NGSS.MS-LS1-3

What is the function of the circulatory system?

• To digest food

• To circulate blood, oxygen, and nutrients

• To support the body structure

• To relay messages throughout the body

Which type of tissue forms the outer layer of your skin?

• Connective tissue

• Muscular tissue

• Epithelial tissue

• Nervous tissue

What is the role of connective tissue?

• To contract and expand

• To relay messages

• To connect tissues and fill spaces

• To form the outer layer of skin

Which tissue type is responsible for movement by contracting and expanding?

• Nervous tissue

• Muscular tissue

• Connective tissue

• Epithelial tissue

What is the primary function of nervous tissue?

• To support body structure

• To relay messages throughout the body

• To form the outer layer of skin

• To connect bones

What is the largest organ of the body?

• Heart

• Liver

• Skin

• Brain