The vertebrate
skeleton is composed of
a) muscles
b) bones and cartilages
c) blood vessels
d) all of these
Explanation: Bones are the hard, inelastic and a tough organ that forms part of the vertebral skeleton. Cartilage is a soft, elastic and flexible connective tissue that protects the bone from rubbing against each other.
Human adult has which of the following skeleton mainly?
a) fibrous
b) bony
c) cartilage
d) fleshy
Explanation: human skeleton is composed of 206 bones lie inside the body (endoskeleton)
Cartilage is which type of tissue?
a) skeletal
b) muscular
c) connective
d) epithelial
Explanation: Tissue that supports, protects, and gives structure to other tissues and organs in the body.
The cells of cartilages are called……..
a) chondrocytes
b) osteoblasts
c) oesteocytes
d) osteoclasts
Explanation: Chondrocytes maintain the extracellular matrix (ECM) and produce the cartilage matrix.
The matrix of cartilage is composed of mainly………
a) type I collagen
b) type II collagen
c) fibrous tissue
d) epithelial tissue
Explanation: Collagen type II (native) is a protein that is part of the cartilage, bone, and other types of connective tissues in animals and humans.
Cartilage does not contain blood vessels and chondrocytes are supplied by……
a) diffusion
b) osmosis
c) active transport
d) endocytosis
Explanation: the movement of molecules from higher concentration region to lower concentration
