B1 Unit 2 Lesson 4

Front

What is vascular tissue in plants?

Back

A network of specialized cells that transport water, nutrients, and sugars throughout the plant.

Front

What is the function of the trachea in the respiratory system?

Back

The trachea is a tube that is held open by C-shaped rings of cartilage, allowing air to pass to and from the lungs.

Front

What system works to supply your body with oxygen?

Back

The respiratory system.

Front

What is the diaphragm and its role in respiration?

Back

The diaphragm is a large muscle below the lungs that contracts and relaxes to facilitate air movement into and out of the lungs.

Front

What does the xylem do in plants?

Back

The xylem transports water and nutrients from the roots to the rest of the plant.

Front

What are the two main types of vascular tissue in plants?

Back

Xylem and phloem.

Front

How does the phloem function in plants?

Back

The phloem transports sugars and other metabolic products downward from the leaves.

Front

What is the role of cartilage in the trachea?

Back

Cartilage provides structural support to keep the trachea open for air passage.

Front

What is the process of gas exchange in the lungs called?

Back

Respiration.

Front

What is the primary function of the respiratory system?

Back

To supply the body with oxygen and remove carbon dioxide.