B3 and B4

Question 1

cell

Answer 1

the building block making up a living organism

Question 2

tissue

Answer 2

a group of similar specialised cells working together to perform a function.

Question 3

organ

Answer 3

a group of tissues working together to perform a function

Question 4

organ system

Answer 4

a group of organs working together to perform a function

Question 5

organism

Answer 5

a group of organ systems working together to carry out the life processes.

Question 6

order of digestive system?

Answer 6

mouth
oesophagus
stomach
stomach
small intestine
large intestine
rectum

Question 7

what tissues is the stomach made up of?

Answer 7

epithelial
glandular
muscular

Question 8

role of gallbladder?

Answer 8

releases bile

Question 9

role of pancreas

Answer 9

secretes digestive enzymes

Question 10

role of liver

Answer 10

make bile ->
1. emulsifies fats, increasing surface area and causing faster digestion.
2. neutralising stomach acid - optimum pH for enzymes.

Question 11

what is villi?

Answer 11

tiny, finger-like projections called villi.

Question 12

vena carva?

Answer 12

blood from the head, neck and body returns to the heart through the vena carva