Cells & Organelles
Which organ in the human body is responsible for making sperm cells?
The Testis
Which system is responsible for gas exchange?
Respiratory System
Which structure helps a sperm cell swim?
Tail
Which part of the nervous system controls reflexes?
Spinal Cord
A group of similar cells working together forms a
Tissue
What is the main job of the mitochondria?
To create energy for the cell
What is the main role of the digestive system?
To break down food.
Which specialised cell carries electrical signals?
Nerve Cells
A reflex action is
A quick automatic response
Which is the correct order
Cell ---> Organ ---> Tissue ---> System
System ---> Cell ---> Organ ---> Tissue
Cell ---> Tissue ---> Organ ---> System
Organ ---> System ---> Cell ---> Tissue
Cell ---> Tissue ---> Organ ---> System
Which structure is found only in plant cells?
Chloroplast
What body system includes bones and joints?
Skeletal System
When you are sick, which cell helps your body fight the infection?
White Blood Cells
What happens first when you touch something hot?
Skin receptors detect heat
Which level is the smallest?
Cell
What is the role of the nucleus?
Controls cell activities
Which system controls and coordinates body responses?
Nervous System
Red blood cells are shaped in a disc way to…
Increase oxygen carrying capabilities
Which sequence is correct for a reflex?
Stimulus ---> Response ---> Receptor
Receptor ---> Spinal Cord ---> Effector
Muscle ---> Brain ---> Receptor
Effector ---> Brain ---> Receptor
Receptor ---> Spinal Cord ---> Effector
Sickle cell disease reduces the bloods ability to carry
Oxygen
What is the function of the cell membrane?
Controls what enters and leaves the cell
The circulatory systems main job is to?
Transport blood and nutrients
Which cell has a large surface area for absorbtion?
Root Hair Cell
Nerves carry messages using
Electrical Signals
An anomaly means
An unexpected or unusual result