Question

What are the similarities and differences between how nutrients are moved in the human body vs. plants?

Answer 1

In humans, nutrients are transported through the circulatory system, while in plants, nutrients are transported through specialized tissues called xylem and phloem.

Step-by-step explanation:

In both humans and plants, nutrients are moved to different parts of the body through transport systems. However, there are some key differences in how this process occurs. In humans, nutrients are transported through the circulatory system, specifically through the blood vessels. The digestive system breaks down food into nutrients, which are then absorbed into the bloodstream through the small intestine. From there, the nutrients are carried to various organs and tissues where they are needed.

In plants, nutrients are transported through specialized tissues called xylem and phloem. Xylem transports water and minerals from the roots to the leaves, while phloem transports sugars and other organic compounds from the leaves to the rest of the plant. This process is known as translocation. Unlike humans, plants do not have a circulatory system, so the transport of nutrients occurs through these specialized tissues.

Answer 2

In summary, while both humans and plants require nutrients for growth, the methods of nutrient transport and absorption differ. Humans rely on the circulatory and digestive systems, while plants rely on xylem and phloem for nutrient transport. Humans also have specialized organs for waste processing, while plants release waste through stomata or store them in vacuoles.

Step-by-step explanation:

Similarities:

1. Both systems transport nutrients to all parts of the organism.

2. Both systems rely on pressure differences to move nutrients.

Differences:

1. In humans, the heart pumps blood to circulate nutrients, while in plants, nutrients move by processes like transpiration and root pressure.

2. Humans have a closed circulatory system, meaning blood never leaves the vessels. Plants have an open system, where water and nutrients can leave the xylem and phloem to reach cells.

3. Human nutrients are mainly organic molecules from food, while plants absorb inorganic nutrients from soil and convert light energy into food via photosynthesis.