Cells
These are groups of cells working together to perform a specific function.
What are tissues?
These tiny finger-like projections increase surface area in the small intestine.
What are villi?
This gas is removed from the blood and exhaled.
What is carbon dioxide?
These blood vessels carry blood away from the heart.
What are arteries?
This type of reproduction involves two parents and the combination of genetic material.
What is sexual reproduction?
This term describes organisms made of many cells, each with a specialized role.
What are multicellular organisms?
This type of digestion involves breaking food into smaller pieces without changing its chemical structure.
What is physical digestion?
Gas exchange happens because of this process.
What is diffusion?
These tiny vessels connect arteries and veins and allow for exchange of gases and nutrients.
What are capillaries?
Asexual reproduction produces offspring that are genetically this.
What is identical?
Unlike organs, these are the smallest units of life and can exist independently.
What are cells?
This organ connects the mouth to the stomach.
What is the esophagus?
These tiny air sacs in the lungs are where oxygen and carbon dioxide are exchanged.
What are alveoli?
The circulatory system works with this system to deliver oxygen.
What is the respiratory system?
This process involves the joining of male and female gametes in plants.
What is fertilisation?
This part of a plant cell carries out photosynthesis.
What is the chloroplast?
The small intestine is long and folded to maximize this.
What is surface area?
Oxygen binds to this molecule in red blood cells.
What is hemoglobin?
The circulatory system helps regulate this in the body.
What is body temperature?
Pollinators are attracted to flowers by these features.
What are color, scent, and nectar?
This type of cell in humans is designed to carry oxygen through the bloodstream.
What is a red blood cell?
This term refers to the community of microbes living in the digestive system.
What is the gut microbiome?
When the diaphragm contracts, the lungs do this.
What is expand or inhale?
The heart is made of this type of muscle.
What is cardiac muscle?
These are the male parts of a flower.
What are stamens?