The nasal cavity filters, warms, and humidifies the air before it enters the lungs.

Nephridia are excretory organs in annelids that help in the removal of waste products from the body.

The ovaries are responsible for producing eggs (ova) and hormones such as estrogen and progesterone.

The ovule develops into a seed after fertilization, containing the embryo and stored nutrients.

Phloem is responsible for the transport of sugars produced during photosynthesis from leaves to other parts of the plant.

The placenta serves as the interface between the mother and fetus, providing essential nutrients and oxygen while removing waste products.

The plasma membrane regulates the transport of substances in and out of the cell, maintaining homeostasis.

Meiosis is crucial for sexual reproduction as it reduces the chromosome number by half and introduces genetic variation through recombination.

The primary function of the respiratory system is gas exchange, allowing oxygen to enter the body and carbon dioxide to be expelled.

The primary function of the respiratory system is to exchange gases, specifically oxygen and carbon dioxide, between the body and the environment.

The primary function of the respiratory system in mammals is the exchange of gases, specifically oxygen and carbon dioxide.

The primary function of the respiratory system is to exchange gases, specifically oxygen and carbon dioxide, between the body and the environment.

The primary function of the ribosome is to synthesize proteins by translating mRNA.

The root cap protects the root tip as it pushes through the soil.

The primary function of the root system in vascular plants is to absorb water and nutrients from the soil.

The small intestine is primarily responsible for the absorption of nutrients from digested food.

The primary function of the small intestine is the absorption of nutrients from digested food.

The stamen is the male reproductive part of a flower and is responsible for producing pollen.

The stigma is the part of the pistil that receives pollen during pollination, allowing fertilization to occur.

The stomach's primary function is to perform mechanical and chemical digestion of food, aided by gastric juices.

The stomach's primary function is the chemical digestion of proteins through gastric juices.

The swim bladder allows fish to maintain buoyancy and control their depth in the water.

The xylem is responsible for transporting water and dissolved minerals from the roots to the rest of the plant.

Xylem is responsible for the transport of water and dissolved minerals from the roots to the rest of the plant.

Xylem is responsible for the transport of water and dissolved minerals from the roots to the rest of the plant.

Xylem vessels primarily function in the transport of water and minerals from the roots to the aerial parts of the plant.

Hemoglobin primarily transports oxygen from the lungs to the tissues of the body.

The primary goal of developing biofortified crops is to enhance their nutritional value, addressing deficiencies in diets.

Phytoremediation aims to clean up contaminated environments using plants that can absorb or degrade pollutants.

Cruciferous vegetables like broccoli and kale are rich in antioxidants that may reduce cancer risk.