Y10 Science Revision

The main difference between vertebrates and invertebrates is

• Vertebrates are warm blooded, invertebrates are cold blooded

• Vertebrates have a backbone; invertebrates do not have a backbone

• Vertebrates are cold blooded, invertebrates are warm blooded

• Vertebrates do not have a backbone, invertebrates have a backbone

Na is the chemical symbol for

• Potassium

• Ni

• Sodium

• Nada

Is oxygen gas (O2) considered to be an element or a compound?

• Element

• Compound

• Neither

Is water (dihydrogen oxide) considered to be an element or a compound?

• Elem

• Compound

• Neither

Veins carry deoxygenated blood; Arteries carry oxygenated blood.

• TRUE

• FALSE

Veins carry blood to the heart. Arteries carry blood away from the heart.

• TRUE

• FALSE

Blood low in the gas ______ is pumped from the right ventricle into the lungs. We call this "deoxygenated" blood.

Compare the RIGHT VENTRICLE (pumps blood to the lungs) and the LEFT VENTRICLE in the heart (pumps blood to the body)

• RV is more muscular than the LV

• LV is more muscular than the RV

Breathing moves air in and out of the lungs.

What is the process called that transfers CO2 and O2 in and out of cells/the circulatory system/the blood.

• gas transfer

• co2/o2 pumping

• breathing

• gas exchange

What is the main reason that living things eat food?

• Because it tastes good

• To obtain energy

• To socialise with family and prospective mates

• To strengthen their jaws