MSB Cellular

How do white blood cells combat bacteria in the body?

• They release antibodies to mark bacteria and then engulf them.

• They multiply rapidly to outnumber the bacteria.

• They transport oxygen to the infected areas.

• They create a protective barrier around the bacteria.

What is the function of medicine in fighting a bacterial infection?

• It directly kills all bacteria in the body.

• It provides energy for the body's muscles.

• It helps white blood cells destroy bacteria more effectively.

• It prevents bacteria from multiplying.

What substance do red blood cells deliver to the muscles?

• Nutrients

• Antibodies

• Oxygen

• Waste products

Which organs are part of the 'oxygen team' that works together to supply oxygen to the muscles?

• Lungs, heart, and brain

• Lungs, blood, heart, and muscles

• Stomach, liver, and kidneys

• Bones, skin, and hair

What is the primary function of the villi in the small intestine?

• To produce digestive enzymes

• To store undigested food

• To absorb nutrients into the bloodstream

• To break down large food particles

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Why do skin cells absorb nutrients from the bloodstream?

• To change the color of the skin

• To help the body produce more blood

• To provide energy and materials for growth and survival

• To filter out waste products from the body

What is the term for the green "skum" found in the ocean?

• Zooplankton

• Phytoplankton

• Algae bloom

• Seaweed

What does the shrinking of the bus to the size of phytoplankton demonstrate about these organisms?

• They are capable of changing size

• They are very large and easily visible

• They are microscopic and require magnification to be seen

• They are a type of plant that grows on the ocean floor

What do the larger creatures in the ocean primarily consume?

• Zooplankton

• Phytoplankton

• Other larger creatures

• Ocean debris