| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.15 |
| Score | 0% | 63% |
Which of the following represents the largest value?
1 kL |
|
1 cL |
|
1 ML |
|
1 mL |
Mega (M) is 106, kilo (k) is 103, centi (c) is 10-2, milli (m) is 10-3 so 1 ML represents the largest value.
"For every action, there is an equal and opposite reaction." This describes which of Newton's laws of motion?
first |
|
fourth |
|
second |
|
third |
Newton's third law of motion states that For every action, there is an equal and opposite reaction. When an object exerts a force on another object, the second object exerts a force of equal magnitude in the opposite direction on the first object.
Blood pressure is generally highest in which of the following?
arteries |
|
capillaries |
|
heart |
|
veins |
Arteries are thick-walled because they carry oxygenated blood at high pressure, veins are comparatively thin-walled as they carry low-pressure deoxygenated blood.
The connective tissue that connects bones to other bones at joints is called:
knuckles |
|
ligaments |
|
cartilage |
|
tendons |
Tough fibrous cords of connective tissue called tendons connect muscles to the skeleton while another type of connective tissue called ligaments connect bones to other bones at joints (elbow, knee, fingers, spinal column).
Cellular fermentation takes place:
in plant cells |
|
aerobically |
|
in the presence of oxygen |
|
anaerobically |
If no oxygen is present, cellular respiration is anaerobic and will result in fermentation where either lactic acid or alcohol is used instead of oxygen.