STAAR REVIEW - Cells & Body Systems

What is the primary function of the body system shown?

• The protection of vital organs from injury

• The chemical breakdown of food into smaller pieces

• The transport of nutrients, water, and oxygen to body cells

• The production of hormones that regulate growth and metabolism

A body part that does a certain job for an organism is a (a)   .

• function
• adaptation
• trait
• structure

Which body system helps remove waste?

• Excretory System

• Circulatory System

• Endocrine System

• Nervous System

Which of the following is the smallest unit of life that can carry out all life functions?

• the mitochondria
• the vacuoles
• the nucleus
• the cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which structures are found in every living cell?

• cell membrane and cytoplasm
• chloroplasts and mitochondria
• a cell wall and nucleus
• chloroplasts and cell wall

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which cell structure is found in plant and animal cells and controls what can come into or leave a cell?

• cell membrane

• cytoplasm

• nucleus

• vacuole

Tags

NGSS.MS-LS1-2

What is the function of the cell nucleus found in both plant and animal cells?

• to produce energy
• to control cell activity
• to remove waste products
• to allow molecules to enter the cell

Tags

NGSS.MS-LS1-2

Cell organelles that are responsible for digesting food, worn-out organelles, and other cellular wastes are called ___________________.

• Mitochondria

• Vacuoles

• Lysosomes

• Chloroplasts

What is one basic function of the vacuoles?

• circulating oxygen
• producing food
• controlling cell processes
• storing water

Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do. What is the main function of the chloroplasts found in plant cells?

• to absorb light energy and manufacture food

• to remove waste materials by active transport

• to manufacture chemical energy from food

• to control the shape of the cell

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6