| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.47 |
| Score | 0% | 69% |
Which of the following is the smallest component of an element that still retains the properties of the element?
element |
|
molecule |
|
neutron |
|
atom |
An atom is the smallest component of an element that still retains the properties of the element.
Antigens are found on the outside of which blood cells?
red |
|
white |
|
plasma |
|
platelets |
Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.
The energy posessed by a ball on the window ledge of a tall building is an example of what kind of energy?
kinetic |
|
inherent |
|
gravitational |
|
potential |
Kinetic energy is the energy posessed by a moving object. Potential energy is stored energy in a stationary object based on its location, position, shape, or state.
Which of blood component allows blood to clot?
platelets |
|
plasma |
|
red blood cells |
|
white blood cells |
Blood is created in bone marrow and is made up of cells suspended in liquid plasma. Red blood cells carry oxygen, white blood cells fight infection, and platelets are cell fragments that allow blood to clot.
Food is mixed with gastric acid and pepsin in the __________ to help break down protein.
mouth |
|
stomach |
|
small intestine |
|
large intestine |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.