TEKS 4.7C

Which is a waste product of human respiration?

• nitrogen

• oxygen

• carbon dioxide

• argon

What is the organ labelled W?

• diaphragm

• lung

• trachea

• oesophagus

Sandy counted 25 beats of her pulse on her wrist in 20 seconds. What was her pulse rate in beats per minute?

• 25 beats

• 45 beats

• 75 beats

• 500 beats

Capillaries are adapted to their function by:

• being hollow so that they can carry air.

• having thick walls so that oxygen and nutrients cannot escape.

• having thin walls so that oxygen and nutrients can get out of the blood.

• having holes in the walls so that blood can drain out of them.

The drawing shows the bones in a human skeleton. What is bone X used for?

• protection

• movement

• thinking

• growing hair

Larger bones often have spaces inside them so that:

• they can be filled with blood.

• they can be filled with air.

• they can be broken more easily.

• they are lighter to move.

In a joint, the part that joins a muscle to a bone is called a:

• ligament.

• tendon.

• cartilage.

• cartridge.

Ravi is measuring the force of his hand grip. The units he should use to record his measurements are:

• kilograms.

• metres.

• beats per minute.

• newtons.

What is the primary function of the roots in a plant?

• To absorb sunlight

• To produce flowers

• To anchor the plant and absorb water and nutrients

• To release oxygen

Tags

NGSS.MS-LS2-3

Which of the following is a renewable source of energy?

• Coal

• Natural Gas

• Wind

• Nuclear