The lymphatic system destroy harmful substances 'By producing antibodies'.
The lymphocytes contained in lymphatic organs are produced with other defence cells by the bone marrow. They are then dispersed to eliminate pathogens.
1. For which of the following activities might you want to hire a chemist?A. testing a sample of water from a well
2. Which of the following procedures involves a physical change in one of the substances?
D. grinding chalk into a fine powder
3. You have three molecules of glucose (3C6H12O6). How many oxygen atoms do you have?
C. 6
A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Within the cytoplasm lie intricate arrangements of fine fibers and hundreds or even thousands of miniscule but distinct structures called organelles.
I think the answer is a sorry if I get it wrong
If I have a batch of pea plants with purple flowers that I grew by crossing plants that had purple flowers (PP) with plants that had white flowers (pp), purple flowers (dominant) will be expressed in this batch of pea plants.
