Topic 2

Question 1

What is a tissue?

Answer 1

A group of similar cells that work together to carry out a particular function, it can include one type of cell.

Question 2

What is an organ?

Answer 2

A group of different tissues that work together to perform a certain function.

Question 3

What is an organ system?

Answer 3

A group of organs working together to perform a particular funtion.

Question 4

What is the role of bile in the digestive system?

Answer 4

The role of bile in the digestive system is to absorb fats and fat soluble vitamins in the small intestine.

Question 5

What side does deoxygenated blood pass through and what are the parts called?

Answer 5

The right side carries deoxygenated blood and passes through the Aorta, vena cava, right atrium,valve and right ventricle.

Question 6

what side does oxygenated blood pass through and what parts?

Answer 6

The left side and through the pulmonary vein, left ventricle and valve

Question 7

what is the function of the salivary glands and pancreas?

Answer 7

Produces food juices

Question 8

what is the function of the stomach?

Answer 8

digests food

Question 9

what is the function of the small intestine?

Answer 9

digest and absorb soluble food

Question 10

what is the function of the large intestine?

Answer 10

Aborbs water from undigested food, producing feces

Question 11

what is the small intestine specially adapted to do?

Answer 11

absorb broken down particles of food

Question 12

Why does villi have a large and thin surface area?

Answer 12

To allow absorption to happen quickly and efficiently

Question 13

Enzymes end in….

Answer 13

‘ase’

Question 14

sugars end in…

Answer 14

‘ose’

Question 15

Enzymes are part of 1 particular area called…

Answer 15

the active site

Question 16

what happens if chemical reactions happen slowly inside a cell?

Answer 16

the cell may die.

Question 17

what do liver cells produce to speed up the breakdown of hydrogen peroxide?

Answer 17

the enzyme catalase

Question 18

What is the lock and key theory?

Answer 18

the lock and key theory is where people think the enzyme is like a lock and the substrate is like a key and only one enzyme can change into a particular substrate

Question 19

What is the function of the heart?

Answer 19

To pump blood round the body

Question 20

what muscle is the heart made up of and why?

Answer 20

cardiac muscle because it needs to beat for a lifetime

Question 21

what is blood made up of?

Answer 21

55% Plasma
1% white blood cells and platelets
45% Red blood cells

Question 22

how many cells thick are capillaries and why?

Answer 22

one cell thick so osmosis can happen easier

Question 23

Define Healthy.

Answer 23

Body and mind are free from illness

Question 24

define Fit.

Answer 24

body is capable of carrying out physical activities

Question 25

What is transpiration?

Answer 25

transpiration is where the water is sucked up from the root and it is brought to the leaves

Question 26

what is translocation?

Answer 26

Translocation is the movement of materials from leaves to other tissues throughout the plant

Question 27

why is translocation important?

Answer 27

because it is needed for photosynthesis