ATI prctice

Which of the following structures changes the volume of the lungs

• Heart

• Aveoli

• Diaphragm

• Trachea

Which of the following statements best explain the structure of alveoli relates to it’s function

• The walls the alveoli are thin to increase their he rate of diffusion

• Alveoli are large to maximize gas exchange

• Alveoli are small to increase the transportation of cells

• The walls of the alveoli are thick to prevent pressure buildup

Tags

NGSS.MS-LS1-2

Which of the following blood components is responsible for transporting oxygen

• Red blood cells

• Plasma

• Dissolved gases

• Leukocytes

Which of the following statements best describes the primary function of the respiratory system

• It transports oxygen and carbon dioxide to cells all over the body

• It exchanges gases between the blood and the air in an environment

• It involves the inhalation and exhalation of gases into the environment

• It maintains proper blood level pH

Which of the following lists the primary parts of the heart

• Blood cells

• Four ventricles

• Muscle tissue split into two chambers

• Muscle tissue split into four chambers

Which of the following chambers pumps blood towards the lungs

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

Which of the following statements best describes the function of veins

• Veins carry deoxygenated blood

• Veins carry oxygenated blood

• Veins care blood back to the heart

• Veins carry blood away from the heart

In which of the following organs does digestion begin

• Mouth

• Stomach

• Pancreas

• Small intestine

In which of the following organs does the breakdown of proteins begin

• Mouth

• Small intestine

• Stomach

• Pancreas

Which of the following structures absorbs nutrients in the small intestine

• Mucus

• Mircrovilli

• enzymes

• Hormones

Tags

NGSS.MS-LS1-7