Another important midgut function is the ability to produce signaling molecules that regulate its own physiology and the activity of other organs. The two main mature cell types present in the midgut of all insects, i.e., columnar and endocrine cells, are responsible for these functions. In ...
What are organelles and why are they important? Learn about different cell organelles and their functions, including an organelle function chart...
A tissue is a group of cells, in close proximity, organized to perform one or more specific functions. There are four basic tissue types defined by their morphology and function: epithelial tissue, connective tissue, muscle tissue, and nervous tissue. Epithelial tissue creates protective boundari...
The hymen is a thin piece of tissue at the opening of the vagina that can look different from person to person. It’s a common myth that you can tell whether someone has had sex based on their hymen, but this isn’t true; it can stretch or tear from normal everyday activities. If ...
Answer to: Comment on the main cell types and their functions within the nervous system. By signing up, you'll get thousands of step-by-step...
When a stem cell divides, each new cell has the potential either to remain a stem cell or become another type of cell with a more special function可知只有D项没有发生,故选D。2. 答案: C解析: 细节理解题。 由第二段最后一句In other organs, however, like the pancreas(胰腺) and the heart...
Name four functions of the respiratory system. Describe several functions of the skin. Describe the various functions of epithelial tissue. Describe the different membranes and their functions. What are the major functions of cilia and microvilli?
Intermediate, hybrid or transitional state acquired by the cell types in various contexts that is reflected in the transcriptional profile and function of the cell. Primary cells A category of cell types that perform the main functions of the tissue (for example, epithelial cells in barrier organs...
What are the different types of epithelial tissue? Give an example of each. What are the four main categories of tissues and be able to describe their general appearance and function. Describe the tissues and their functions for all the plant organs. How are the functions of the di...
Name the three different types of bone cells and give their functions. Bones in the Body There are over 206 bones in the human body. They are important for allowing movement, supporting and protecting soft tissues and organs, storing minerals and the formation of red blood cells in...