🔬 Cells
This organelle releases energy for the cell.
What is the mitochondrion?
The organs that produce sperm cells.
What are the testes?
The gas we breathe in and need for respiration.
What is oxygen?
The cells that carry messages around the body.
What are neurons?
This organelle is responsible for protein synthesis.
What is a ribosome?
The organ that produces egg cells.
What is an ovary?
The gas that diffuses from the blood into the alveoli to be breathed out.
What is carbon dioxide?
This part of the nervous system connects the brain to the rest of the body.
What is the spinal cord?
The movement of particles from high concentration to low concentration.
What is diffusion?
The process when a sperm and egg join together.
What is fertilization?
Tiny air sacs where gas exchange happens.
What are alveoli?
A rapid automatic response to a stimulus.
What is a spinal reflex?
The largest organ in the human body.
What is the skin?
The movement of water through a partially permeable membrane.
What is osmosis?
The single cell formed after fertilization.
What is a zygote?
The muscle below the lungs that helps you breathe.
What is the diaphragm?
The spiral-shaped part of the inner ear helps you hear by turning vibrations into signals.
What is the cochlea?
List the organelles present in a plant cell.
The monthly process when blood and tissue leave the uterus if an egg is not fertilized.
What is a menstrual period?
The total surface area of all alveoli in your lungs is roughly the size of this.
What is a tennis court (70 m²)?
The layer at the back of your eye contains photoreceptors that detect light.
What is the retina?
A sperm cell is made to swim to the egg. Name two things about it that help it move and reach the egg.