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skad [1K]
3 years ago
14

The period during which a heart chamber is contracting is called

Biology
1 answer:
pashok25 [27]3 years ago
8 0

Answer:Cardiac cycle- Systole

Explanation:

Systole is a part of the cardiac cycle which contract when some of the chambers of the heart muscles is filled with blood. Contraction takes place during systole which pumps blood out of the heart into the large blood vessels of the circulatory system and the blood then moves to all other body tissues and organs.

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What kind(s) of eukaryotic cells have mitochondria?
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Answer:

Mitochondria are found in the cells of nearly every eukaryotic organism, including plants and animals. Cells that require a lot of energy, such as <u>muscle cells</u>, can contain hundreds or thousands of mitochondria. A few types of cells, such as red blood cells, lack mitochondria entirely.

3 0
3 years ago
Six-year-old Demetri and 4-year-old Lucien's mother gave each boy a glass of juice with their lunch, but Demetri asked her to sw
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Lack of conservation

7 0
3 years ago
What is one reason that matter is able to move within earth?
madam [21]
The earth is always moving so therefore things will shift around.
8 0
3 years ago
The evolutionary history for a group of species is called a
blsea [12.9K]

Answer:

The evolutionary history for a group of species is called a <u>phylogeny.</u>

Explanation:

Phylogeny is defined as the evolutionary history or evolutionary chronicle of the species, that is, it studies the relationship deals with the relationship between members of a group of species from the morphological, anatomical and embryological point of view. In this way, phylogeny explains the chronicle of each species, the different bifurcations, families and genetic structures, focusing on the evolution of the species in a global way.

4 0
4 years ago
Studies of monkeys raised with artificial mothers suggest that mother-infant emotional
madreJ [45]

The correct answer is B. Contact comfort

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