Biology: Transport and Circulation Systems

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What is a unique characteristic of the circulatory and respiratory systems of insects?

They are connected and function together.

They are only used for nutrient transport.

They are only used for oxygen transport.

They are separate and do not function together. (correct)

What is the primary function of the red blood cells in humans and most animals?

To transport nutrients

To regulate body temperature

To carry oxygen (correct)

To defend against pathogens

In which type of organisms is the cell membrane used as a structure for gas exchange?

Vertebrates

Multicellular organisms

Unicellular organisms (correct)

Insects

What is the purpose of the tubes connected to spiracles in insects?

To transport oxygen Signup and view all the answers

In which animals is the skin used as a structure for gas exchange?

Only in amphibians Signup and view all the answers

What is the role of hemoglobin in red blood cells?

To carry oxygen Signup and view all the answers

What is the term for the process by which water vapor escapes from the stomata of plants?

transpiration Signup and view all the answers

What is the primary function of the circulatory system in animals?

to transport important biological fluids around the organism Signup and view all the answers

In insects, what structure takes the place of noses for oxygen intake?

spiracles Signup and view all the answers

What is the purpose of stomata guard cells in plants?

to control the opening and closing of stomata Signup and view all the answers

What type of respiratory system is composed of a series of tubes that carry gases directly to cells?

tracheal system Signup and view all the answers

What is the term for the pressure that causes stomata to open or close?

turgor pressure Signup and view all the answers

What is the primary function of the constantly circulating fluid in plants?

To provide the body with nutrition, oxygen, and waste removal Signup and view all the answers

What is the term for the movement of solvent across a semipermeable membrane from high to low solvent concentration?

Osmosis Signup and view all the answers

What happens to a hypotonic cell when placed in a hypertonic environment?

It loses water and shrinks Signup and view all the answers

What is the primary function of the Rh antigen on the surface of RBCs?

To determine the blood type as positive or negative Signup and view all the answers

What is the term for the concentration of solutes in a solution?

Tonicity Signup and view all the answers

What is the result of cross-reaction when a blood sample is mixed with various antibodies in a lab?

Clumping of red blood cells Signup and view all the answers