KINS 2295 Lecture Notes - Pancreatic Juice, Portal Vein, Collagen
Document Summary
An animal is multicellular that moves that result in high metabolic rate. Since animals are big they need to develop internal convention system to distribute nutrients and gases and remove waste. They are tissues that cover the surface of structure like skin, or internal surfaces. Also they are the glandular epithelial tissues that secrete substance exocrine and endocrine glands. They are tissues that hold tissues together. Ordinary connective tissues hold fat or tissues under the skin and dense connective tissues are found in ligaments. Special connective tissues are found in the fluids that produce blood and lymph or solid as in cartilage and bones. Smooth involuntary muscles are found in the gut. Striated voluntary are attached to our skeleton for movement. Nervous tissues consist of grey and white matter which is found in our brain. Also nerves which operate the autonomic nervous system. Insects have an exoskeleton that protects the outside and prevent dehydration.
