Structural Organisation in Animals

What is the primary function of the skeletal connective tissue in the human body?

To regulate body temperature
To produce blood cells
To store nutrients
To provide a surface for muscle attachment (correct)

What type of bone is formed by the replacement of cartilage?

Cartilage bone
Sesamoid bone
Endochondral bone (correct)
Membrane bone

What is the name of the canal that connects the Haversian canals in compact bone?

Haversian canal
Marrow canal
Volkmann canal (correct)
Bone canal

What is the function of the red bone marrow found in spongy bones?

To produce blood cells (C) Signup and view all the answers

What is the name of the bony plates or trabeculae found in spongy bones?

Trabeculae (C) Signup and view all the answers

Which type of bone is formed in the dermis of the skin?

Membrane bone (A) Signup and view all the answers

What is the main function of skeletal connective tissue?

To provide structural framework to the body (D) Signup and view all the answers

What is the composition of bone?

70% inorganic matter, 30% organic matter (B) Signup and view all the answers

What is the function of bone marrow?

To produce blood cells (B) Signup and view all the answers

What is the type of connective tissue found in the nasal septum?

Cartilage (D) Signup and view all the answers

What is the effect of HCL on bone?

It decalcifies bone (C) Signup and view all the answers

What is the structure of bone matrix?

Layers called lamellae (D) Signup and view all the answers

What is the main function of cartilage in the joints?

To facilitate smooth movement of the joints (B) Signup and view all the answers

What is the characteristic of collagen fibers in ligaments?

Arranged in bundles with fibroblasts present in rows between bundles (B) Signup and view all the answers

What is the function of skeletal connective tissue?

To provide structural support to the body (C) Signup and view all the answers

What happens to most cartilages in vertebrates during development?

They transform into bones (A) Signup and view all the answers

What is the characteristic of tendons?

Consist of parallel bundles of collagen fibers (C) Signup and view all the answers

What is the characteristic of squamous epithelial cells?

They are thin, flat cells with irregular boundaries (D) Signup and view all the answers

What type of epithelial tissue is found in the alveoli of lungs and lining of blood vessels?

Simple squamous epithelial tissue (D) Signup and view all the answers

What is the name of the layer of cells that appears cuboidal in vertical sections and polygonal from the surface?

Cuboidal epithelium (D) Signup and view all the answers

What is the function of simple epithelial tissue?

To participate in secretion, absorption, and excretion (A) Signup and view all the answers

What is a characteristic of cells in the innermost layer of transitional epithelial tissue?

They are cuboidal or columnar (B) Signup and view all the answers

What is the characteristic of cuboidal epithelial cells?

They have microvilli in absorptive regions on their free ends (C) Signup and view all the answers

What is the type of epithelial tissue that is also known as pavement epithelium?

Simple squamous epithelial tissue (A) Signup and view all the answers

What is the primary function of keratin in keratinised epithelium?

To make the epithelium impervious to water (C) Signup and view all the answers

Which type of epithelial tissue covers the moist surfaces of the buccal cavity, pharynx, and oesophagus?

Stratified non-keratinised squamous epithelium (A) Signup and view all the answers

What is the purpose of tight junctions in epithelial tissue?

To stop substances from leaking across the tissue (B) Signup and view all the answers

What is the characteristic of cells in the surface layer of stratified epithelial tissue?

They vary from squamous to cubicle (A) Signup and view all the answers

What is the function of adhering junctions in epithelial tissue?

To cement neighboring cells together (C) Signup and view all the answers

What is the characteristic of pseudostratified epithelial tissue?

It appears to be double layered due to different sizes of cells (B) Signup and view all the answers

What is the function of ciliated cells in pseudostratified epithelial tissue?

To propel mucus and particles towards the larynx (D) Signup and view all the answers

What is the primary function of cuboidal epithelial cells?

To move particles or mucus in a specific direction (C) Signup and view all the answers

What is the characteristic of glandular epithelial cells?

They are specialized for secretion (A) Signup and view all the answers

What is the type of epithelial tissue found in the inner surface of hollow organs like bronchioles and fallopian tubes?

Cuboidal and columnar (C) Signup and view all the answers

What is the primary function of microvilli in brush-bordered epithelial tissue?

To increase the surface area for absorption (B) Signup and view all the answers