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BIOLOGY Y11
Patterns in Nature Part II
CLOZE PASSAGE No 1
Body systems
Complete the following sentences using appropriate words or short phrases
a) Reproduction that involves 1 parent and produces identical offspring
Asexual
b) The process in our body that changes large molecules into smaller molecules
Digestion
c) Biological catalysts
Enzymes
d) The tube that joins the mouth to the anus
Alimentary canal
e) The enzyme present in saliva
Salivary amylase
f) Name the substrate for this enzyme
Starch
g) A muscular organ with a pH = 3.5
Stomach
h) Name the enzyme present in the stomach
Pepsin or protease
i)
Stores bile
Gall bladder
j)
The first part of the small intestine
duodenum
k) Responsible for the reabsorption of water and dissolved minerals
Large intestines
l)
Incisors
The teeth responsible for cutting
m) An organism that eats both plant and animal
Omnivore
n) The enzyme responsible for making junket
renin
o) The substrate that this enzyme acts upon
Milk protein
p) An experiment that you carry out yourself is called a ……………………investigation
First hand
q) A variable that is measured in any experiment
Dependent
r) A cow is classed as a ………………. fermenter
Fore gut
s) The organ responsible for digestion of cellulose in rats
Caecum
t) During dissections organs that are red in colour are rich in
Blood
u) The organ responsible for exchange of gases in fish
Gills
v) Human lungs have a large ……………………
Surface area
w) The tube leading to the lungs is called the ………………
Trachea
x) Branching from this tube are the …………………..
Bronchi
y) The small sacs where gaseous exchange occurs in the lungs
Alveoli
z) Amphibians use this organ as a respiratory surface
Skin