| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.99 |
| Score | 0% | 60% |
Which of these does not contain oxygenated blood?
aorta |
|
right atrium |
|
pulmonary vein |
|
left ventricle |
To provide oxygen to the body, blood flows through the heart in a path formed by the right atrium → right ventricle → lungs → left atrium → left ventricle → body. When blood enters the right side of the heart it is deoxygenated. It enters the left side of the heart oxygenated after traveling to the lungs.
In the food chain, omnivores may be which of the following?
primary or tertiary consumers |
|
secondary or tertiary consumers |
|
secondary consumers or scavengers |
|
primary or secondary consumers |
Secondary or tertiary consumers may be omnivores.
Examples of tertiary consumers include:
sharks |
|
cows |
|
fish |
|
chickens |
Tertiary consumers eat primary consumers and secondary consumers and are typically carnivorous predators. Tertiary consumers may also be omnivores. Examples include wolves, sharks, and human beings.
What is the body's largest artery?
capillary |
|
aorta |
|
arteriole |
|
vena cava |
The aorta is the body's largest artery and receives blood from the pulmonary vein via the left ventricle. From there, blood is circulated through the rest of the body through smaller arteries called arterioles that branch out from the heart. Finally, blood is delivered to bodily tissues through capillaries.
Which of these is not a phase in cell division?
anaphase |
|
cytokinesis |
|
interphase |
|
megaphase |
Cell division is the process by which cells replicate genetic material in the nucleus and consists of several phases, beginning with interphase and ending with cytokinesis.