...n the [[Micrometre|micro]] to the [[Nanometre|nano]]scopic scale, examples of biological systems are [[cell (biology)|cells]], [[organelles]], macromolec
...m]], the [[spinal cord]], and the [[nerve]]s are the four basic components of the [[nervous system]].
...
10 KB (1,310 words) - 08:01, 4 January 2023
[[File:Citric acid cycle with aconitate 2.svg|thumb|upright=2|Overview of the citric acid cycle]]
...]]s to follow only one specific route; at least three alternative segments of the citric acid cycle have been recognized.
...
38 KB (5,368 words) - 11:38, 31 March 2024
...ct [[placoderm]]s and [[acanthodian]]s. In a break from the long tradition of grouping all fish into a single [[Class (biology)|class]] (<nowiki>''Pisces
...ically]] with each other, such as during [[courtship display]]s. The study of fish is known as [[ichthyology]].
...
48 KB (6,685 words) - 12:55, 28 August 2025
[[File:Citric acid cycle with aconitate 2.svg|thumb|upright=2|Overview of the citric acid cycle]]
...]]s to follow only one specific route; at least three alternative segments of the citric acid cycle have been recognized.
...
39 KB (5,478 words) - 11:38, 31 March 2024
...ct [[placoderm]]s and [[acanthodian]]s. In a break from the long tradition of grouping all fish into a single [[Class (biology)|class]] (<nowiki>''Pisces
...ically]] with each other, such as during [[courtship display]]s. The study of fish is known as [[ichthyology]].
...
49 KB (6,909 words) - 12:54, 28 August 2025
'''Blood''' is a [[body fluid]] in the [[circulatory system]] of [[humans]] and other [[vertebrate]]s that delivers necessary substances suc
...ons and parasites. Platelets are important in the [[Coagulation|clotting]] of blood.
...
41 KB (6,111 words) - 15:50, 21 February 2024
'''Blood''' is a [[body fluid]] in the [[circulatory system]] of [[humans]] and other [[vertebrate]]s that delivers necessary substances suc
...ons and parasites. Platelets are important in the [[Coagulation|clotting]] of blood.
...
40 KB (5,939 words) - 15:51, 21 February 2024
...s the '''cardiovascular system''', or '''vascular system''', that consists of the heart and blood vessels (from Greek ''kardia'' meaning ''heart'', and f
...osed]] in vertebrates, which means that the blood never leaves the network of blood vessels. Some [[invertebrate]]s such as [[arthropod]]s have an [[open
...
37 KB (5,460 words) - 08:06, 20 October 2023
| Caption = Diagram of [[stomach]], intestines and [[rectum]] in the average [[human]]
...the anus as [[Feces|faeces]]. ''Gastrointestinal'' is an adjective meaning of or pertaining to the stomach and intestines.
...
33 KB (4,715 words) - 12:59, 22 March 2024
...s the '''cardiovascular system''', or '''vascular system''', that consists of the heart and blood vessels (from Greek ''kardia'' meaning ''heart'', and f
...osed]] in vertebrates, which means that the blood never leaves the network of blood vessels. Some [[invertebrate]]s such as [[arthropod]]s have an [[open
...
38 KB (5,618 words) - 08:05, 20 October 2023
| Caption = Diagram of [[stomach]], intestines and [[rectum]] in the average [[human]]
...the anus as [[Feces|faeces]]. ''Gastrointestinal'' is an adjective meaning of or pertaining to the stomach and intestines.
...
34 KB (4,829 words) - 12:59, 22 March 2024
{{Short description|Set of chemical reactions in organisms}}
[[File:Metabolism.png|thumb|Simplified view of the cellular metabolism]]
...
54 KB (7,765 words) - 19:27, 22 January 2024
{{Short description|Varieties of peppers of Capsicum genus}}
[[File:Madame Jeanette and other chillies.jpg|thumb|Chili peppers of varied colours and sizes: green [[Bird's eye chili|bird's eye]], yellow [[M
...
27 KB (3,897 words) - 21:55, 9 June 2025
{{Short description|Set of chemical reactions in organisms}}
[[File:Metabolism.png|thumb|Simplified view of the cellular metabolism]]
...
55 KB (7,943 words) - 19:27, 22 January 2024
{{Short description|Varieties of peppers of Capsicum genus}}
[[File:Madame Jeanette and other chillies.jpg|thumb|Chili peppers of varied colours and sizes: green [[Bird's eye chili|bird's eye]], yellow [[M
...
28 KB (4,069 words) - 21:54, 9 June 2025
{{Short description|Group of fat-soluble secosteroids}}
...oluble]] [[secosteroid]]s responsible for increasing intestinal absorption of [[calcium]], [[magnesium]], and [[phosphate]], and for many other biologica
...
61 KB (8,956 words) - 20:04, 4 February 2024
{{Short description|Group of fat-soluble secosteroids}}
...oluble]] [[secosteroid]]s responsible for increasing intestinal absorption of [[calcium]], [[magnesium]], and [[phosphate]], and for many other biologica
...
63 KB (9,192 words) - 20:03, 4 February 2024
[[File:Разнообразие семян.jpg|thumb|350px| Seeds of various plants. '''Row 1:''' [[poppy]], [[Bell pepper|red pepper]], [[straw
...ng with a food reserve. The formation of the seed is a part of the process of [[reproduction]] in seed plants, the [[spermatophytes]], including the [[gy
...
56 KB (8,523 words) - 16:57, 9 January 2023
...humb|upright=1.5|Flowers or clusters of flowers produced by twelve species of [[Angiosperms]] from different families.]]
...population) resulting from [[cross-pollination]] or allow selfing (fusion of sperm and egg from the same flower) when [[self-pollination]] occurs.
...
98 KB (14,226 words) - 10:12, 3 January 2023
{{short description|Kingdom of mainly multicellular, predominantly photosynthetic eukaryotes}}
| image = Diversity of plants image version 5.png
...
115 KB (15,185 words) - 14:48, 3 January 2023