SLS Unit 2: Human Body Systems

Organism

• A non-living entity that cannot react to stimuli.

• An individual living thing that can react to stimuli, reproduce, grow, and maintain homeostasis.

• A group of similar individuals that can interbreed.

• A collection of cells that do not function together.

Vein

• A blood vessel that carries blood towards the heart.

• A type of artery that carries oxygenated blood.

• A structure that filters blood in the kidneys.

• A chamber of the heart that pumps blood to the body.

Organ

• A part of the body that performs a specific function, made up of different tissues.

• A type of muscle that helps in movement.

• A collection of cells that can only perform one function.

• A structure that stores energy in the body.

Pulse

• The rhythmic throbbing of the arteries as blood is propelled through them, typically felt in the wrists or neck.

• A measure of the heart's electrical activity.

• The sound of blood flowing through the veins.

• A type of heart disease.

Tissue

• A group of cells that work together to perform a specific function.

• A single cell that performs a specific function.

• A collection of organs that work together to perform a function.

• A type of fluid found in the body.

Skin

• The outer covering of the body that protects it from the environment.

• A type of muscle tissue that helps in movement.

• An organ responsible for digestion and nutrient absorption.

• The layer of fat that insulates the body.

Large Intestine

• The part of the digestive system where water is absorbed and waste is stored as feces.

• The organ responsible for breaking down food into nutrients.

• The section of the digestive system where bile is produced.

• The area where most nutrient absorption occurs.

Muscle

• A type of connective tissue that supports and binds other tissues.

• A tissue composed of fibers capable of contracting to effect bodily movement.

• A type of epithelial tissue that covers body surfaces.

• A type of nervous tissue that transmits signals throughout the body.

Neutron

• A positively charged particle found in the nucleus of an atom.

• A subatomic particle found in the nucleus of an atom, with no electric charge.

• A negatively charged particle that orbits the nucleus of an atom.

• A particle that is responsible for the chemical properties of an atom.

Bone

• A flexible tissue that connects muscles to bones.

• A rigid organ that constitutes part of the vertebrate skeleton, providing structure and protection.

• A type of cartilage found in joints.

• A liquid tissue that circulates nutrients and oxygen in the body.