This body system's primary function is the continuation of the species
What is the Reproductive System?
100
This system breaks down food.
What is the digestive system?
100
This organ is the most important in the respiratory system.
What is a lung?
100
This is the simplest biological unit.
What is a cell?
100
How can you tell the difference between a plant cell and an animal cell?
Plant cells are green and square or rectangular. They have cell walls and chloroplasts. Animal cells come in many shapes and colors. They also lack chloroplasts and cell walls.
200
This system is responsible for delivering nutrients and oxygen and removing wastes like carbon dioxide.
What is the circulatory system?
200
This body system produces hormones for reproduction.
What is the endocrine system?
200
This organ is responsible for the movement of blood throughout the body.
What is the heart?
200
This is the organizational hierarchy of all living things. Hint: the answer involves the following words (organ, organism, tissue, cell, organ system)
What is cell, tissue, organ, organ system, organism
200
This organelle is used to make food from sunlight in plants.
What is a chloroplast?
300
It is impossible for a skeleton to move because it lacks this system.
What is the muscular system?
300
This system produces antibodies to fight disease.
What is the immune system?
300
This is the long tube that brings food from the mouth to the stomach.
What is the esophagus?
300
Specialized cells that are similar in structure and function are usually joined together to form this.
What is a tissue?
300
This is the process by which water travels across a membrane.
What is osmosis?
400
This system has the primary function of fighting disease.
What is the immune system?
400
This system transports nutrients, oxygen and wastes.
What is the circulatory system?
400
This is one of the most important functions of the skin.
What is protection?
400
This is the tissue that connects muscle to bone.
What is a tendon?
400
These two organelles are found only in plant cells.
What is a cell wall and chloroplast?
500
This body system is primarily responsible for removing waste products
What is the excretory system?
500
This system is in charge of the support and protection of the body.
What is the skeletal system?
500
This element is carried by the blood to the body cells to provide them with the fuel they need to function.
What is oxygen?
500
This organelle is in charge of controlling the movement of materials into and out of the cell.
What is the cell membrane?
500
Write the photosynthetic reaction in words.
water + carbon dioxide + sunlight > glucose + oxygen