The cytoplasm helps things move through out the organelle, and the circulatory system helps things move through out the body.
Answer: cell membrane
such as water, micro-organism
physical process
simple diffusion, osmosis and filtration
such as potasssium permaganate in water,urea a liver waste diffuses from the body and the kidney help in filtering it out
physiological processs
active transport, phagocytosis and pinocytosis
such as soduim-potassium pump, exocytosis
Explanation: transportation in and out of cell is done in different ways listed above but a barrier to this movement is the cell membrane which is an outer covering of the cell. it protect the cell and only some materials can penetrate the cell membrane e.g micro-organism, water e.t.c. the various physical and physiological processes are the various ways substance cna be liquid, solid or gas are transported within or outside the cell e.g food
Hydrogen, oxygen, nitrogen, and carbon
The correct answer should be A, multicellular.
Human papillomavirus (HPV), low socioeconomic level, smoking, marriage before the age of 18 years, young age at first coitus, several sexual partners, multiple sexual partners of spouse, and multiple childbirths are all established risk factors for developing cervical cancer. Because of hormonal changes or a compromised immune system, pregnant women may be more exposed to HPV infection or cancer.
Age may also play a role: Women who have their first child before the age of 20 are at a higher risk of cancer than those who wait until after the age of 25. Even if a person waits until marriage to engage in sexual activity or only has one partner.
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