Animal Cells
Which organelle controls the activities of the cell?
Nucleus
Which structure provides support and protection for plant cells?
Cell wall
What organ do we use to breathe?
Lungs
Where does digestion begin?
Mouth
What organ pumps blood around the body?
Heart
Which organelle releases energy from food through respiration?
Mitochondria
Which organelle carries out photosynthesis?
Chloroplast
What gas do humans breathe in that cells need?
Oxygen
Which organ uses acid and muscles to break down food?
Stomach
What carries oxygen around the body?
Blood
Which structure controls what enters and leaves the cell?
Cell membrane
What chemical inside chloroplasts captures sunlight?
Chlorophyll
What tiny air sacs in the lungs allow gas exchange?
Alveoli
Where are most nutrients absorbed into the body?
Small intestine
What blood vessels carry blood away from the heart?
Arteries
Where do most chemical reactions occur inside the cell?
Cytoplasm
What is the function of the large vacuole?
Stores water and maintains pressure to support the plant cell.
What waste gas do we breathe out?
Carbon dioxide
What structures in the small intestine increase surface area for absorption?
Villi
What blood vessels carry blood back to the heart?
Veins
Explain the function of the Golgi body.
Packages, modifies and transports proteins to different parts of the cell or outside the cell.
Explain how the cell wall helps plants grow.
The cell wall provides structure and support, allowing plant cells to stay rigid and helping the plant grow upright.
Explain how oxygen moves from the lungs into the bloodstream.
Oxygen diffuses from the alveoli through thin walls into nearby capillaries where it enters the blood.
Explain why villi are important for digestion.
Villi increase the surface area of the small intestine, allowing more nutrients to be absorbed into the bloodstream efficiently.
Explain how the respiratory and circulatory systems work together.
The respiratory system allows oxygen to enter the lungs where it diffuses into the blood. The circulatory system then transports this oxygen around the body using the heart and blood vessels. Cells use the oxygen for respiration and produce carbon dioxide, which is carried back to the lungs to be exhaled.