The smallest units or parts of living things; the body's building blocks.

• cells
• organs
• tissues
• system

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Your large and small intestines are part of this body system.

• nervous
• digestive
• muscular
• skeletal

Which long bone do you see in the figure?

• humerus

• femur

• collarbone

• rib

Which human system do you see in the image?

• digestive system

• respiratory system

• circulatory system

• nervous system

Tags

NGSS.MS-LS1-3

What is the colored part of your eye called?

• Cornea
• Pupil
• Iris
• Retina

A __________________ is what we call all the bones together. It is the structure of a body.

• Skeleton
• Mr. Bonez
• Skeletor
• Tendons

How many bones make up the skeletal system?

• 270

• 206

• 20

What is the function of the cardiovascular / circulatory system?

• To provide nutrients to the whole body

• To maintain homeostasis for the body

• To fight off infection or disease

• To transport nutrients, oxygen, and blood throughout the body

What body system is shown in the picture?

• Muscular System

• Skeletal System

• Nervous System

• Respiratory System

Tags

NGSS.MS-LS1-3

A scientist is trying to decide whether an organism is unicellular or multicellular.  Which information would help the scientist most to make her decision?

• size of the cells of the organism
• what the organism eats
• how many types of cells are in the organism
• how fast the organism grows