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- 1. Multiple Choice
The blood vessels, having thick elastic walls are called-
Arteries
Veins
Capillaries
Atria
- 2. Multiple Choicewhat do the lungs do in the excretory systemdispose of carbon dioxide through exhalationdisposes of smog thru exhalationdispose of ultraviolet rays through exhalationdispose of rays through exhalation
- 3. Multiple ChoiceWhat part of blood is responsible for carrying oxygen and carbon dioxide to body cells?Red Blood CellsWhite Blood CellsPlateletsPlasma
- 4. Multiple ChoiceThe main function of the circulatory system isTo give the body structure and supportExcrete wastetransport blood, nutrients, and gases throughout the bodyto transport messages from the body to the brain
- 5. Multiple Choice
_____ is the muscular wall that devides the heart length wise-
Septum
Ventricle
Atrium
None
- 6. Multiple Choice
Chamber of heart that receives blood from lungs
Right ventricle
Left auricle
Left ventricle
Left auricle
- 7. Multiple Choice
Which of the following indicates the pathway of water through a plant?
root hair cell --> xylem --> stomata
stomata --> root hair cell --> xylem
xylem --> stomata --> root hair cell
- 8. Multiple ChoiceWhat vascular tissue transports food within a plant?PhloemXylemStomataCell wall
- 9. Multiple ChoiceWater is absorbed by root cells by a process called...EpidermisPhloemOsmosisNone of the above
- 10. Multiple ChoiceThe artery that carries carbon-dioxide rich blood from the heart to the lungs is calledarteriespulmonary arteryauricleNone of the above
- Answer choicesTagsAnswer choicesTags