Levels of Organization
The smallest unit of life in the human body.
What is a cell?
The system that delivers oxygen and nutrients to the body’s cells.
What is the circulatory system?
The body’s ability to maintain a stable internal environment.
What is homeostasis?
The system that helps you move your body.
What is the muscular system?
The outer covering that protects the body.
What is the skin?
A group of similar cells working together.
What is a tissue?
The system responsible for protecting the body from viruses
What is the immune system?
This happens when you’re cold, helping your body warm up.
What is shivering?
his system sends messages from the brain to the rest of the body
What is the nervous system?
The major organ that protects the brain.
what is the skull?
Organs working together to perform a major job.
What is an organ system
The system that breaks down food into molecules the body can use.
What is the digestive system?
Your body sweats when it’s hot what kind of feedback is this?
What is negative feedback?
A muscle you control voluntarily *like in your arm*
What is a skeletal muscle?
The body system that includes skin, hair, and nails.
What is the integumentary system?
The four levels of organization in the human body from smallest to largest.
What are cells, tissue, organ, organ system?
The system that removes liquid waste from the bloodstream.
What is the excretory *urinary* system?
The main organ that controls body temperature.
the small part of the brain
What is the type of muscle found only in your heart?
the cardiac muscle is the muscle found only in the heart.
What tissues connect one bone to another in your body?
Ligaments
the type of tissue that sends electrical signals through the body.
What is nervous tissue?
The system that releases hormones to control growth and development.
What is the endocrine system?
Two body systems that work together to help regulate blood sugar.
What are the endocrine and digestive systems?
these cells carry messages through the body in the nervous system.
What are neurons?
The type of blood cell that fights infections.
What are white blood cells?