Figure 1. The major respiratory structures span the nasal cavity to the diaphragm. Structurally, the respiratory system can be divided into the upper and lower respiratory tracts. The upper respiratory tract has direct access to the environment and conditions air as it is inhaled. The lower re...
1、The Male Reproductive System 男性生殖系,2,The Reproductive System,The male reproductive organs The female reproductive organs,3,Structures of the reproductive systems,4,The male reproductive organs,Internal genital organs: gonad- testis (睾丸), ducts - epididymis (附睾), ductus deferens (输精管)...
. These organs participate in several hormonal and mechanical pathways that are responsible for secondarysexual developmentand reproduction. Theuterine cavityis the site of embryonic implantation and fetal development . The cervix is the lower portion of theuterusand provides a passageway for the expulsio...
The organs of the circulation (angiologia) include the bloodvascular system and the lymphatic system. Thebloodvascular system(systema cardiovasculare) consists of the heart, its central organ, and the blood vessels among which we differentiate the arteries, running centrifugally from the heart, and ...
The immune system is distributed throughout the entire human body and is composed of lymphatic cells, tissues, and organs as well as the lymphatic circulation and "nonspecific" defenses, e.g., the skin barrier. It is an essential defense against invading microorganisms, toxins, and foreign or ...
(a) Describe how lymph nodes function as lymphatic organs. (b) Describe the path of lymph through a node. Lymphatic System: The lymphatic system is a collection of vessels, tissues, and organs that drain lymph, a clear fluid from bodily tissues and send it...
Understand what are the accessory organs of the digestive system. Answer questions like is the liver an accessory organ or is the pancreas an...
Integumentary System Organs and Structures What are the three parts of the integumentary system? There are actually four main structures in the integumentary system, the skin, hair, nails and exocrine glands. Each plays a vital role in supporting the integumentary system's function of protecting ...
Organs that make the male genital system: Testis: Testis is an organ that is involved with the production of sperms(the male gamete). The sperms...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
lymphatic system ( ) a) a part of the transport system in vascular plants. b) a thermostable DNA polymerase named after the thermophilic bacterium Thermus aquaticus. c) a process that generates NADPH and pentoses. d) a part of protein sequence and structure that can evolve, function, and ...