Specialized cells and organ systems

Which type of specialized cell carries oxygen from the lungs all over the body?

• red blood cells

• skin cells

• muscle cells

• white blood cells (macrophages)

• nerve cells (neurons)

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Which type of specialized cell carries electrical signals through the body to the brain?

• red blood cells

• squamous (skin) cells

• muscle cells

• white blood cells (macrophages)

• nerve cells (neurons)

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Why would some cells contain more mitochondria than others?

• They need more oxygen

• They require more energy

• They are bigger

• They wouldn't; all cells contain the same amount of mitochondria

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Red blood cells have a disk-shape with a lot of surface area.

• This statement describes a STRUCTURE.

• This statement describes a FUNCTION.

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Name the green coloured pigment that absorbs sunlight (found in chloroplasts)

• Haemogloblin

• chlorophyll

A specialized cell has a specific​ (a)   that allows it to perform a specific​ (b)   .

​ ​

• shape
• function
• color
• size
• texture

A multicellular organism has

• only 1 cell working by itself

• composed of many cells working together

Which of the following is not a type of specialized cell?

• Neuron

• Red Blood Cell

• Skin Cell

• Heart

Multicellular organisms are composed of only one type of cell

• True

• False

The ___________ is the basic unit of life

• organ
• cell
• atom
• tissue

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