What is the main function of red blood cells?
To transport oxygen to other cells in the body.
To fight off infections.
To store fat for energy
To help the body's muscles move.
What characteristic makes red blood cells unique from most other animal cells? *hint* The absence of a certain part of the cell allows it to carry more oxygen.
They have a thick cell wall.
They are the largest cells in the body.
They are able to move independently.
They lack a nucleus.
Which type of muscle cell is found in the heart? **hint** The name of this cell is a clue to its location. Think about the heart.
Smooth muscle cells
Skeletal muscle cells
Cardiac muscle cells
All of the above
Why do fat cells have their nucleus and cytoplasm pushed to the side? **hint** Consider the main purpose of a fat cell.
To make room for a large fat droplet.
To give them a unique shape.
To allow them to move more easily.
To help them connect with other cells.
Which of the following is NOT a function of fat cells?
Providing a layer to keep us warm.
Serving as an energy reserve.
Storing fat droplets.
Creating fibers that form solid bone.
What do bone cells use tiny gaps for?
To store fat.
To connect with other bone cells for nutrients.
To fight infections.
To help the bone become flexible.
What is the main function of leaf cells in a plant?
To carry water up to the rest of the plant.
To carry nutrients down from the leaves.
To collect water and minerals from the soil.
To absorb sunlight to produce nutrients.
Which type of plant root cell is responsible for collecting water and minerals from the soil? **hint** The name of this cell is a clue to its shape.
Root hair cells
Xylem cells
Phloem cells
Leaf cells
What is the main difference between an animal cell and a plant cell? **hint** Think about what plants do that animals don't. How do they support themselves?
Animal cells have a cell wall, while plant cells do not.
Animal cells carry oxygen, while plant cells do not.
Animal cells have a nucleus, while plant cells do not.
Plant cells have chloroplasts and a cell wall, while animal
Which of the following describes a cardiac muscle cell? **hint** Where in the body can you find cardiac muscle cells?
Small and spindle-shaped.
Long and thin, working in bundles.
They create fibers that mineralize to form solid bone.
Found in the heart and linked together.
Which of the following is an example of an involuntary muscle?
Bicep muscle
Skeletal muscle
Tricep muscle
Cardiac muscle
What is the function of the tiny hairs on a root hair cell? **hint** Think about what root cells need to do and how their structure helps them.
To transport nutrients down from the leaves.
To increase the surface area for absorbing water and mineral
To help the plant stand up straight.
To protect the root from damage.
Which of the following would be an example of a voluntary muscle action?
Blinking your eyes.
Lifting your hand.
Your heart beating.
Digesting food.
What is the purpose of the cell wall in a plant cell?
To absorb sunlight.
To store energy.
To give the cell a rigid, supportive structure.
To help transport water and minerals.
What is the name of the green pigment inside plant leaf cells that absorbs sunlight? **hint** It's the pigment that makes plants green!
Chlorophyll
Melanin
Cytoplasm
Hemoglobin
Why is it important for the body to have a variety of specialized cells? **hint** Think about how a team works together to achieve a goal.
So that each cell can perform all of the body's functions
To allow for the efficient completion of complex tasks.
To make the body heavier and stronger.
To make the body look more colorful.
