1 Name the following:
(i) Any two one-celled organisms.
(ii) The longest cells in animals.
(iii) Amoeboid cells in humans.
(iv) Shape of white blood cells.
2 List three categories of substances which are ensured greater diffusion due to large surface volume ratio of the cells.
Answers
Answered by
3
Answer: 1. i)amoeba, paramecium
ii) -
other answer i dont know
Explanation:
Answered by
6
Answer:
1] Solution:
(i) Chlamydomonas, amoeba.
(ii) The longest cell in animals is the nerve cell
(iii) White blood cells are amoeboid cells in humans that can squeeze out through the capillary walls.
[iv] These are the largest type of white blood cells, and can be up to 20µm in diameter. They have a large eccentrically placed nucleus, which is kidney bean shaped. They have abundant cytoplasm, and some fine pink/purple granules in cytoplasm.
2]
The first category is the respiratory gases, i.e., carbon dioxide and oxygen which are diffused in and out from the alveoli. The second are the nutrients absorbed from the villi of small intestine. The third category is the waste which is generated by the cells.
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