| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.41 |
| Score | 0% | 68% |
Tough fibrous cords of connective tissue that connect muscles to the skeleton are called:
tendons |
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vertebra |
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cartilage |
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ligaments |
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).
Which of the following is the narrowest classification of life?
species |
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genus |
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family |
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domain |
The narrowest classification of life, species, contains organisms that are so similar that they can only reproduce with others of the same species.
Molecules and atoms that are inputs to a chemical reaction are known as which of the following?
fuel |
|
reactants |
|
products |
|
components |
During a chemical reaction molecules and atoms (reactants) are rearranged into new combinations that result in new kinds of atoms or molecules (products).
What is a major difference between the somatic and autonomic nervous systems?
each belongs to a different nervous system |
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one controls voluntary activity, one controls involuntary activity |
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one is inherited, the other is learned |
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one controls thinking, the other controls feeling |
Both are part of the peripheral nervous system. The somatic nervous system sends sensory information to the central nervous system and controls voluntary actions while the autonomic nervous system regulates involuntary activity in the heart, stomach, and intestines.
Antigens are found on the outside of which blood cells?
platelets |
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plasma |
|
red |
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white |
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.