In English please so I can help you with your problem
Endocrine gland - a group of cells that secretes substances into the blood or directly into an organ.
Differ from exocrine glands, endocrine glands have no ducts and secrete products (hormones) directly into blood.
Hormone - a substance produced by cells that helps specific groups of cells to perform specific functions. It is a product of endocrine gland which functions as chemical messengers to stimulate other cells.
Duct – a channel or tube that conveys a substance. It is part of the exocrine glands (such as salivary glands) which makes contact with surface .
Energy stored in food can be used by cells to add a phosphate group to ADP to make ATP. This cycling of ATP to ADP occurs in a metabolic process called cellular respiration. phosphate group breaks, and energy is released. ATP becomes ADP, and the cycle of storing and releasing energy continues until the cell dies.
Professional presentations is about making an impact on the audience. Your slides of the presentation should look perfect and should arrange in a sequence.
What makes a good professional presentation?
If we want to design our professional presentation in a beautiful manner then we have to write introduction first, then on the second number we should write body, and in last we should to write conclusion. Our introduction needs to briefly sum up that the audience don't get bored, we need to talk about only what is going on in presentation. Tell the audience about advantages, disadvantages as well as about the uses.
So we can conclude that: Professional presentations is about making an impact on the audience. Your slides of the presentation should look perfect and should arrange in a sequence.
Learn more about Professional presentation:brainly.com/question/14605443
#SPJ1
Answer:
500-million-year-old fossil found in BC is ancient ancestor of spiders and scorpions. Palaeontologists in British Columbia have found a fossil of the oldest known ancestor of scorpions and spiders.