HAEC KS4 Biology 2b Organisation

The lower chambers of the heart are called the ....

• Atrium

• Ventricles

• Vein

• Aorta

What does blood plasma contain? Check all that apply.

• fats

• fibrinogen

• vitamins

• oxygen

• carbon dioxide

The fluid portion of blood that carries blood cells, glucose, proteins, fats, and wastes throughout the body.

• red blood cells
• white blood cells
• plasma
• platelets

When the coronary _____ are blocked, blood does not flow as well and coronary artery disease begins to develop.

• arteries

• Symptoms

• Blood Pressure

• arteriosclerosis

A blockage in a coronary artery can cause a person to suffer a ______________________

• Heart Attack

• Heart Stopper

• Heart Beat

What is this a picture of?

• Stent

• Valve

• Pace maker

• Statin

The plant tissue responsible for transportation of substance is

• vascular tissue (Xylem & Phloem)

• meristematic tissue

• epidermal tissue

• ground tissue

Which factor had the greatest impact on the rate of transpiration compared to the control?

• wind
• humidity
• light 
• darkness

How does water move from the soil into the root hair cell and reach the xylem vessels?

• diffusion

• osmosis

• active transport

• none of the above

Which is true?

• 99% of water taken by the plant evaporates through transpiration

• 9% of water taken by the plant evaporates through transpiration

• Evaporation through transpiration accounts only for 1% of all the water the plant takes in

• Evaporation through transpiration is minuscule