The Human Body Systems：練習問題

Which of the following is an incorrect match between a part of the human digestive system and its primary function?

In the human circulatory system, what is the specific role of blood vessels?

During strenuous exercise, your breathing rate and heart rate both increase significantly. Which statement best explains how the respiratory and circulatory systems work together to achieve this?

Which part of the human nervous system acts as the control center for processing information and sending instructions to the body?

Which of the following best describes a reflex action, such as withdrawing a hand quickly after touching a hot object?

Describe the pathway of food through two main organs of the digestive system after it leaves your stomach. What happens in each of these organs?

When you feel scared, your heart beats faster and you might breathe more rapidly. Explain how the nervous system and circulatory system communicate and react during a sudden scare to prepare your body for a "fight or flight" response.

The brain is an essential organ in the human body. Name two different functions that the brain performs that are critical for daily life.

The Human Body Systems work together to keep us healthy. Based on your knowledge of these systems, answer the following parts:

a) When we eat, the digestive system breaks down food into nutrients. Identify the three main organs in the digestive system where this process takes place before waste is moved to the large intestine. (1 point)

b) In the respiratory system, name the three major parts through which air travels to reach the place where oxygen enters the blood. (1 point)

c) The circulatory system and the urinary system are essential for transport and waste removal. List one main organ for each and explain their primary function in maintaining health. (2 points)

Coordination and waste removal are essential for the body. Answer the following questions regarding the Human Body Systems:

a) The nervous system includes the brain and spinal cord. Identify which part is protected by the skull and which part is protected by the backbone (vertebrae). (2 points)

b) The urinary system filters waste from our blood. Name the specific organ that performs the filtering and identify the tube (ureter) that connects this organ to the bladder. (2 points)

c) Give one example of a reflex action and identify the stimulus that triggers it. (2 points)