S2 SCI 4th Term Exam Rev.

Blood pressure is the pressure exerted on the walls of the capillaries by the blood.

• True

• False

Salad with salad dressing is not a fatty food because it mainly contains vegetables and fruits.

• True

• False

Cholesterol is a useless and harmful substance in our body, it will block our arteries.

• True

• False

Trans fats are formed when vegetable oils are converted into solid form.

• True

• False

The S-factors that determine physical fitness are strength, suppleness and swiftness.

• True

• False

Aerobics are good for improving our suppleness, and gymnastics are good for improving our stamina.

• True

• False

Sleeping is good for our physical health and mental health.

• True

• False

We can take a rest by taking a walk although energy is used up.

• True

• False

Taking a rest can help to remove toxic substances from our body.

• True

• False

Unsaturated fats can raise our cholesterol level while saturated fats can lower it.

• True

• False