Support and Movement 10th Biology

______ is on the outside of the body, and is called exoskeleton.

arthropods
chondrocytes
both
none

The human skeleton is on the inside of body and is called____.
exoskeleton
endoskeleton
both
none

Bones and cartilages are made of____.
living cells
Dead cells
both
none

The cells of cartilage are called ____.
chondrocytes
lacuna
collagen
none

Each chondrocyte lies in a fluid space called _____.
chondrocytes
lacuna
collagen
none

The matrix of cartilage contain also ___ fibres.
chondrocytes
lacuna
collagen
none

_____ is the hardest connective tissue in body.
Bones
Muscles
Teeth
none

____produce red and white blood cells.
Heart
Liver
bones
Spleen

Babies are born with about ___ soft bones.
299
300
301
302

The adult have ____hard bones.
203
204
205
206