Cells 101
What is the basic unit of life?
A cell.
What cells in the body protect against harmful invaders like bacteria and viruses?
White blood cells.
What part of the cell controls its activities and contains genetic information?
Nucleus.
What is the gel-like substance inside the cell that holds organelles in place?
Cytoplasm.
I am the organ that helps you see. What am I?
The Eye.
What are groups of cells that work together to perform a specific job called?
A tissue.
What cells carry oxygen throughout the body?
Red blood cells.
What part of the cell surrounds and protects it, controlling what enters and leaves?
Cell Membrane.
What structures are responsible for making proteins within the cell?
Ribosomes.
I pump blood throughout your entire body. What am I?
The Heart.
What do we call a group of tissues working together to form a structure like the heart or lungs?
An organ.
What cells are part of your nervous system and help transmit signals in the body?
Nerve cells or Neurons.
What part of the cell produces energy and is often called the "powerhouse" of the cell?
Mitochondria.
What organelle helps the cell remove waste and acts as the "janitor."
Lysosome.
I am the part of your body that helps you think and control everything you do. What am I?
The Brain.
When multiple organs work together, they form what?
A system.
What cells allow muscles to contract and help in movement?
Muscle cells.
What part of the cell helps package and distribute proteins and other materials within or outside the cell?
Golgi Apparatus.
What part of the cell acts like a storage center, holding water, nutrients, and waste?
Vacuole.
I am a joint that helps your arm bend in the middle. What am I?
The Elbow.
What is the correct order of the levels of organization in the human body, starting from the smallest to the largest?
Cells, tissues, organs, systems.
What cells are found in your skin and help protect your body by forming a barrier?
Skin cells.
What small, round structure inside the nucleus helps in making ribosomes?
Nucleolus.
What parts of the cell helps transport materials around the cell, and can be rough or smooth?
Endoplasmic Reticulum.
I help you breathe by bringing oxygen into your body and removing carbon dioxide. What am I?
The Lungs.