Bio3

Question 1

What is in the digestive system

Answer 1

Salivary glands: produce enzymes
Liver:produces bile
Stomach:digestion happen here
Pancreas: produces digestive enzymes
Large intestine:water is absorbed and poo is formed

Question 2

Digestive enzymes

Answer 2

Amylase breaks down the starch into glucose
Protease breaks down protein into amino acids
Lipase breaks down lipids into fatty acids +glycerol

Question 3

The ranks of oragans

Answer 3

Cells>tissue>organ>organ system
Musclecell>glandular tissue>heart>dig sys

Question 4

Enzymes lock and key theory

Answer 4

Enzyme molecules have an active site ,a substrate molecule fits into that active site (like a lock and key) when the enzyme becomes denatured (it can only become denatured after it has reached its optimum temperature)the substrate can no longer fit in the active site

Question 5

Small fact about bile

Answer 5

Bike is an alkaline so it neutralizes hydrochloric acid made by the stomach ,it also emulsifies fat breaking it down into tiny droplets

Question 6

what is plasma

Answer 6

Plasma is a yellow liquid it transports cells and it transports liquids around the body

Question 7

What do red blood cells do

Answer 7

Transport oxygen around the body through blood vessels they contain haemoglobin and have no nucleus

Question 8

What are white blood cells

Answer 8

They are part of the immune system they have a nucleus and are larger then red blood cells

Question 9

What are the 2 types of white blood cells

Answer 9

Lymphocytes , produces antibodies that’s bind to pathogens and destroy them
Phagocytes, engulf and destroy