Living things composed of only one cell
What is unicellular?
the process by which cells become different types of cells
What is differentiation?

5 ways which humans detect their external environment
What is vision, hearing, smell, taste, and touch

Energy that your muscles use
What is glucose?

a term that best describes compact bone
What is rigid?

Group of cells working together to do a job.
What is tissue?
A cell that can develop into many different cell types
What is a stem cell?

Walking, talking, reading are examples
What are voluntary functions of the nervous system?

works with the skeletal system and helps you move
What is skeletal muscle?

What is calcium?

Group of tissues working together to do a job
What is an organ?

A long muscle cell
What is a fiber?

Nerves (neurons) make up this part of the nervous system
What is peripheral nervous system?

continually contracts and relaxes the heart to move blood
What is cardiac muscle?

Body system that works with skeletal system for movement
What is muscular system?

Group of organs working together to perform a specific job
What is an organ system?

Process by which the body's internal environment is kept stable
What is homeostasis?

Parts of the central nervous system
What are the brain and spinal cord?

tissue inside organs such as the stomach, bladder, and blood vessels
What is smooth muscle?

bones that make up the spine and protect the spinal cord
What are vertebrae?

Living things composed of more than one cell
What is a multicellular organism?

System of glands that release hormones to regulate body functions including blood sugar, growth, and reproduction.
What is endocrine system?

Examples of the involuntary functions of the nervous system
What are breathing, digestion, and reflexes?

connects muscles to bones
What are tendons?

What is cartilage?
