Topic 7 Review

Which human organ stores urine until it is ready to be eliminated from the body?

• bladder

• lungs

• heart

• skin

Select the function that does not apply to the skin.

• protect the body against outside virus and germs

• maintain body temperature

• create enzymes that control glucose (blood sugar)

• remove waste such as perspiration (sweat)

What is the function of the lungs?

• to move blood throughout the body

• to process all bodily functions

• to break down food

• to take in oxygen and remove carbon dioxide

Which of the following is a function of the stomach?

• Filter waste from blood.

• Stores solid waste to be eliminated.

• Carries nutrients to the body.

• Breaks down food into smaller parts.

What structure might help a plant survive a drought which is a long period of time with no rain?

• colorful flowers

• long leaves

• tall stems

• deep roots

Which of the following describes the function of a plant's stem?

• Support the plant

• Move water to the leaves and back if needed

• Move food from the leaves to the stem then to the roots for storage

• All of the above

What plant part do these functions describe?
-support the plant
-move water from roots to leaves
-move food from leaf to stem to root

• stem

• flower

• leaf

• roots

Some plants make cones. Other plants make flowers. What is the purpose of flowers and cones?

• Both move water and food throughout the plant.

• Both hold the plant up.

• Both make seeds so that the plant can reproduce.

• Both take in water and nutrients from the soil.

Which statement is true about all plant leaves?

• All of the leaves are the same shape. All leaves make food.

• All of the leaves are the same shape. Some leaves make food.

• Some of the leaves are the same shape. All of the leaves help make food.

• Some of the leaves are the same shape. Some of the leaves help make food.

Why are these plants growing toward the sun?

• Plants need sunlight to make their own food.

• Plants need sunlight to grow really tall.

• Plants need sunlight to make seeds.

• Plants need sunlight to take in water from their roots.