The developing embryo gets nutrition from the mother’s blood through the placenta. Nutrients and oxygen pass from maternal blood to the embryo, while waste products move from the embryo to the mother for disposal. CBSE Sample Paper Class 10 Science 2025-26 Tiwari ...
Category: Class 10 Science
NCERT Solutions for Class 10 Science and important questions for CBSE class 10 for session 2020-2021
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When the egg is not fertilized, the thickened uterine lining, which was prepared for implantation, breaks down and is shed along with blood and mucus through the vagina. This cyclic process is called menstruation in females. sample paper for class 10 ...
(i) Fertilization in human females takes place in the **oviduct (fallopian tube). (ii) The uterus prepares for embryo implantation by thickening its inner lining, the endometrium, which becomes soft, spongy, and richly supplied with blood vessels. cbse class 10 science half ...
In herbivores, the small intestine is very long because plant-based food, rich in cellulose, takes longer to digest. In carnivores, it is comparatively shorter as meat is easier to digest. Thus, intestine length depends on the type of diet. 2025-26 sample ...
The pancreas secretes digestive enzymes like amylase, lipase, and trypsin that break down carbohydrates, fats and proteins. Bile juice from the liver emulsifies fats into tiny droplets, aiding lipase action and ensuring efficient digestion and absorption of nutrients. latest cbse sample ...