transport system sci

Question 1

What does the human transport system comprise of?

Answer 1

Heart,Blood,Blood Vessels

Question 2

What does the plant transport system comprise of?

Answer 2

Phloem;food-carrying tubes
Xylem; water-carrying tubes

Question 3

The _______ ensures continous flow of _______ which consists of ______ , ______ , _______ , _______.

Answer 3

Heart
Blood
Red Blood Cells
White Blood Cells
Plasma
Platelets

Question 4

There are 3 types of blood vessels. What are they?

Answer 4

Arteries;Veins;Capillaries

Question 5

What is each blood vessel’s role? Explain clearly.

Answer 5

Arteries; transport oxygenated blood from the heart to other parts of the body
Veins; transport deoxygenated blood from capillaries to the heart
Capillaries; Act as the site of exchange of substances.

Question 6

What are the purposes of the Phloem and Xylem?

Answer 6

Xylem; Transports sugar made during photosynthesis to other parts of the plant.
Phloem; Transports mineral salts to move from the roots to other parts of the plant.

Question 7

How is mineral salt and water transported throughout the plant?

Answer 7

Diffusion and Osmosis respectively.
Diffusion; Allows mineral salts to move from the roots to other parts of the plant.
Osmosis; Allows water to enter the roots of the plant.

Question 8

Deifne diffusion

Answer 8

Diffusion is the net movement of particles from a region of higher concentration to a region of lower concentration

Question 9

Define Osmosis

Answer 9

Osmosis is the passage of water molecules across a partially-permeable membrane from a solution with a high concentration to a solution with a lower concentration. ( ONLY WATER! )