百度试题 结果1 题目What is the smallest blood vessel? A. Arteries B. Capillaries C. Vein D. Arteriolae 相关知识点: 试题来源: 解析 B. Capillaries 反馈 收藏
Name two functions perform by blood in the human body. What is the main function of the whit blood cells in the body? Explain the function of blood in the human body. What is the function of hemoglobin in the human body? What is the function of the heart in the human body?
What is the function of the white blood cells of the body? Although cells have differences that reflect their specific functions in the body, what functions do they have in common? How do epithelial, connective, muscle, and nervous tissues contribute to the function of the human body?
5. What types of blood vessels are in the body?Discuss their structure and function.Blood vessels are of three types: arteries, capillaries,and veins.Arteries transport blood away from the heart. Theyhave think walls composed of an inner endothelium layer(tunica internal), an outer connective ti...
There's a lot more to know about your blood than the basics. Explore the deeper details of how blood components impact how we donate and test blood today.
Cardiovascular is made up of the two words cardio, meaning or relating to the heart, and vascular, pertaining to blood vessels. Your cardiovascular system, therefore, is comprised of your heart and blood vessles, and it is critical for the overall function of your body....
Function of the Circulatory System:The circulatory system is the collection of cells, tissues, and organs that pump blood around a body. The circulatory system pumps blood in order to provide cells with oxygen and nutrients and to remove metabolic waste....
Blood is a mixture of two components: cells and plasma. The heart pumps blood through the arteries, capillaries and veins to provide oxygen and nutrients to every cell of the body. The blood also carries away waste products. The adult human body contains approximately 5 liters (5.3 quarts) ...
Lymphatic vessels:Unlike blood vessels, lymphatic vessels only carry fluid away from the tissues. Lymph capillaries join to form the lymphatic vessels. The major lymphatic vessels include: Thoracic duct:Originates in the lower part of the spine and collects the lymph from the pelvis, abdomen, and...
Capillaries connect your arteries to your veins. Capillaries are the smallest type of blood vessel. They can be as tiny as 5 micrometers, which is less than a third of a hair's width. A capillary wall is only one cell in thickness. The capillary wall is made of endothelial cells and ...