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SCORPION-xisa [38]
3 years ago
10

what do we call the chemical substances necessary for an organism to sustain life A. energies B. nutrients C. supplements

Biology
1 answer:
denpristay [2]3 years ago
3 0

Answer:

B. nutrients

Explanation:

Nutrients are chemicals present in all living things on Earth. They are essential for the lives of humans, plants, animals ,and all other species. Nutrients help remove food that provides energy to the species. Carbon, hydrogen and oxygen are the most essential nutrients which they need.

Hence, option B is correct as it is necessary for sustain the life of an organism

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What types of rocks do the numbers 2, 3, and 5 represent, in that order?
Stels [109]

Answer:

d) sedimentary, metamorphic and igneous

8 0
3 years ago
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The ________ is a region of dense bone that surrounds and protects the membranous labyrinth. vestibule membranous callus bony ca
Law Incorporation [45]

The bony labyrinth is a region of dense bone that surrounds and protects the membranous labyrinth.

Labyrinth is the name given to the inner ear. It is made up of a network of interconnecting sacs and canals. The inner ear is composed of two parts: bony labyrinth and membranous labyrinth. A vestibule, three semicircular canals, and a spirally wound cochlea make up the bony labyrinth. It is perilymph-filled.

The membranous labyrinth is encircled by the bony labyrinth. It includes the hearing and balance sensory receptors. The cochlear duct, saccule, and utricle and three semicircular ducts that make up the endolymph-filled membranous labyrinth. The cristae, an organ of corti, and the ampullaris maculae are examples of sensory receptors.

To learn more about inner ear, membranous labyrinth and bony labyrinth here,

brainly.com/question/28169216

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4 0
2 years ago
Is the vagus nerve the heart rate centre of the brain?
koban [17]

Answer:

The vagus nerve has two bunches of sensory nerve cell bodies, and it connects the brain stem to the body. It allows the brain to monitor and receive information about several of the body’s different functions.

Explanation:

The vagus nerve is the longest and most complex of the 12 pairs of cranial nerves that emanate from the brain. It transmits information to or from the surface of the brain to tissues and organs elsewhere in the body.

There are multiple nervous system functions provided by the vagus nerve and its related parts. The vagus nerve functions contribute to the autonomic nervous system, which consists of the parasympathetic and sympathetic parts

The vagus nerve has a number of different functions. The four key functions of the vagus nerve are:

-Sensory: From the throat, heart, lungs, and abdomen.

-Special sensory: Provides taste sensation behind the tongue.

-Motor: Provides movement functions for the muscles in the neck responsible for swallowing and speech.

-Parasympathetic: Responsible for the digestive tract, respiration, and heart rate functioning.

7 0
4 years ago
(a). the reaction, to produce soap can be completed by cooking animal fat with a very strong solution of
Gemiola [76]
The reaction to produce soap can be completed by cooking animal fat with a very strong solution of SODIUM HYDROXIDE.
This process is called saponification. Chemically, animal fat and strong solution of sodium hydroxide or potassium hydroxide mixed together to produce soap and glycerol.<span />
4 0
3 years ago
Contrast how DNA is contained in prokaryotes and eukaryotes
Furkat [3]

Answer:

Prokaryotic genomic DNA is attached to the plasma membrane in the form of a nucleoid, in contrast to eukaryotic DNA, which is located in a nucleus.

Explanation:

4 0
2 years ago
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