Biology - 6.2 Check

What is the process called when materials move from an area of high concentration to an area of low concentration?

• Respiration

• Diffusion

• Circulation

• Filtration

Which of the following best describes the function of the atrium in the heart?

• Pumps blood out of the heart

• Receives blood returning to the heart

• Filters blood

• Oxygenates blood

In which type of circulatory system does blood make direct contact with cells?

• Closed circulatory system

• Open circulatory system

• Respiratory system

• Lymphatic system

What is the primary function of the ventricle in the heart?

• Receives blood returning to the heart

• Pumps blood out of the heart

• Stores oxygen

• Filters waste

Which of the following is a characteristic of a closed circulatory system?

• Blood is in direct contact with cells

• Blood stays inside vessels at all times

• Blood is oxygenated in the atrium

• Blood is filtered by the kidneys

What is the plural form of the word "atrium"?

• Atriums

• Atrias

• Atria

• Atriumes

Which of the following processes involves taking in oxygen and giving off carbon dioxide?

• Diffusion

• Respiration

• Circulation

• Filtration

Tags

NGSS.MS-LS2-3

In an open circulatory system, how does blood interact with the body's cells?

• Blood stays inside vessels

• Blood makes direct contact with cells

• Blood is filtered before reaching cells

• Blood is oxygenated before reaching cells

Which heart chamber is responsible for pumping blood out of the heart?

• Atrium

• Ventricle

• Aorta

• Pulmonary vein

What is the main difference between a closed and an open circulatory system?

• The presence of a heart

• Whether blood stays inside vessels or not

• The type of blood cells present

• The amount of oxygen in the blood