Cells and Tissues - BioSci 107

Vocabulary flashcards covering key concepts from the lecture on cells, tissues, and organization of the human body.

Epithelial Tissue

Covers body surfaces, lines hollow organs, tubes, cavities and ducts; forms glands.

Connective Tissue

Cells in a matrix of fibres and ground substance; includes bone and blood.

Muscle Tissue

Contractile cells (muscle fibres) responsible for movement.

Nervous Tissue

Conducting nerve cells and supportive neuroglia that detect changes and generate nerve impulses.

Homeostasis

The ability of the body to maintain a stable internal environment.

Cardiovascular System

Composed of the heart and blood vessels, responsible for transporting blood throughout the body.

Respiratory System

Involved in gas exchange, transporting oxygen and carbon dioxide between the body and the environment.

Digestive System

Breaks down food, absorbs nutrients, and eliminates waste.

Endocrine System

Consists of glands that produce hormones to regulate various bodily functions.

Lymphatic System

Carries lymph fluid, monitors the composition of lymph, and plays a role in immune responses.

Organ

A structure composed of two or more different tissues that work together to perform specific functions.

System

A group of related organs that work together to perform a common function.

Organismal Level

All parts of the body function together to constitute a living individual.

Chemical Level

The simplest level of organization, involving atoms and molecules.

Cellular Level

The basic structural and functional units of the body, making up tissues.

Histology

The microscopic study of tissues.

Hypodermis

The layer of tissue that attaches the skin to underlying structures.

Mitochondrion

An organelle responsible for energy production within the cell.

Golgi Apparatus

An organelle involved in modifying, sorting, and packaging proteins for secretion.

Lysosome

An organelle containing digestive enzymes used to break down waste materials and cellular debris.