Multicellular Life and Stem Cells

From this one cell, many different cells, tissues and organs develop. The production of specialised cells is called cell ______________________?

• Replication

• Differentiation

• Renewal

• Duplication

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A type of unspecialised cell

• bone cell

• nerve cell

• muscle cell

• stem cell

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In humans, early embryos consist of Stem Cells that can produce any

type of cell. These cells are described as _______________________.

• Totipotent

• pluripotent

• awesome

• multipotent

The human circulatory system is composed of three

main components.

• Heart

• Blood

• Lungs

• Vascular system

• Lymph nodes

True or false. Do arteries take blood to the heart?

• True

• False

Capillaries are the site of exchange between the blood and the cells of the body. What molecules are exchanged here?

• Oxygen

• Antigens

• Carbon dioxide

• Glucose

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A group of cells with similar structures is called an/a

• organ

• organism

• organ structure

• functional unit

• tissue

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A collection of one or more tissues assembled together to perform a specific function is called an

• organ system

• organism

• organ

• stomach

Multicellular Organisms

• Made of 1 cell
• Made of more than 1 cell

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What causes differentiation?

• The DNA is different in each type of cell.

• Some cells have more or less DNA than others.

• Only specific genes in the DNA are activated.

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