Tissues

Question 1

Epithelial

Answer 1

• Epithelial tissue consists of one or more sheets of cells connected to each other with a layer of extracellular matrix, called the basement membrane.
• Forms a boundary between different environments and regulates exchange of material between internal and external environments.
• Epithelial tissue covers body surface (i.e skin)

Question 2

6 main functions of Epithelial tissue

Answer 2

1. Absorption
2. Protection
3. Excretion
4. Secretion
5. Filtration
6. Sensory Reception

Question 3

Connective

Answer 3

Connects body parts together and is a common type of tissue.

Question 4

Types of connective tissue

Answer 4

• Bone: Basic framework of the body, protection of organs within spaces in skeleton
• Cartilage: More flexible than bone, it’s major cell type is chondrocytes and only a few places found in the body.
• Dense connective tissue: Rope-like structures like tendons and ligaments.
• Loose connective tissue: Softer, more cells and fewer fibre than any other connective tissue.
• Blood: Consist of blood surrounded by non-living fluid matrix called blood plasma.

Question 5

Muscle

Answer 5

Able to contract and shorten generating the force to produce movement.

Question 6

Types of muscle tissues

Answer 6

• Skeletal - Connective tissue into skeletal muscle which are attached to the skeleton.
• Cardiac - As it contracts the heart pumps blood through the blood vessels.
• Smooth - Found in walls of hollow organs like the stomach and blood vessels.

Question 7

Nervous

Answer 7

Found in the brain, spinal cord and nerves. It is responsible of coordinating and controlling the many body activities. It is made up of cells called neurons.

• They consist of three basic parts: the cell body, an axon, and dendrites.