The nerves that control voluntary responses like those connected to your muscles are part of the _____ nervous system. A.somatic
B.autonomic
C.sympathetic
D.parasympathetic

Answers

Answer 1

Answer:

The correct answer would be A. somatic nervous system.

A somatic nervous system is sub-set of the peripheral nervous system which controls the voluntary actions and body movements with the help of skeletal muscles.

This system mainly consists of two types of nerves:

Afferent nerves: Theses are sensory nerves which carry stimulus or information from receptors to the central nervous system (brain and spinal cord).

Efferent nerves: These are also termed as motor nerves which carry commands or responsive information from the central nervous system to the muscles.

The muscles contract and produce movements.

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Nicotine from cigarette smoke does not produce congenital malformations but it doesaffect the foetus. Name one effect it can have on a developing foetus.

Answers

smoking cigarettes while pregnant can cause

*increased risk of premature birth and stillbirth

*low birth weight

*undersized babies can have lung complications such as not being able to breath on own and continues breathing difficulties such as asthma and an increased risk of SIDS

* learning disabilities, behavioral problems

It can cause deformations or second hand smoking to the baby which may cause cancer later on in life.

Name two processes through which genetic drift can occur

Answers

Genetic drift is the change in the frequency of a gene variant (allele) in a population due to ... The process of genetic drift can be illustrated using 20 marbles in a jar to represent ... In small populations, fixation can occur in just a few generations. .... An individual can have two copies of the same allele or two different alleles.

If there is a high death rate and large amount of , populations will likely decrease.

Answers

if there is a high death rate and large amount of emigration, populations will likely decreased.Emigration refer to an occurrence when an individual moved out to another place because of some reasons ( the most common one are : Rare resources, societal problems, oppression, or simply because they wanted to try out their luck)

15 points and brainliest!Word Bank:
Acid, atomic number, base, buffer, chemical bond, chemical reaction, covalent bond, crystalline, hydrophilic, hydrophobic, ionic bond, isotope, matter, neutron, pH, physical property, polar molecule, proton, radical, radioactive

The number of protons in the nucleus of the atom is called the _______.

Answers

the number of protons in the nucleus of the atom is called the atomic number.

**brainllest**

atomic number

..................

Mollusks like clams and snails have a simple heart that pumps _____ through open-ended vessels.blood
water
hemolymph
lymphocytes

Answers

Ans.

Mollusks are organisms of an invertebrate phylum mollusca. In these organisms, open circulatory system is present, in which a fluid-filled cavity (hemocoel) bathes different body organs to provide nutrients and oxygen.

Mollusks show a three-chambered, simple heart with two auricles and a single ventricle. The ventricle pumps hemolymph into the aorta, which is then transferred to the rest of the body organs.

Thus, the correct answer is option). 'hemolymph.'

The answer is Hemolymph.

Why would you assess biological ancestry before sex? A) To determine the individual's gender identity B) Because sex can be deduced from biological ancestry C) To understand potential health conditions or diseases D) To establish the person's cultural background

Answers

Final answer:

Assessing biological ancestry before sex is primarily done to understand potential health conditions or diseases that are inheritable. It provides a broader understanding of the genetic makeup and can help identify specific inherited traits and conditions for a complete health profile.

Explanation:

Sex and biological ancestry are both important aspects examined when understanding an individual's identity and health. However, assessing biological ancestry before sex is not to determine the individual's gender identity or to deduce sex from biological ancestry, but rather to understand potential health conditions or diseases (Option C). This is due to the fact that certain genetic traits, which could influence one's health profile, are passed down through biological ancestry. Moreover, biological ancestry can reveal a deep genetic pool that isn't limited to sexually inherited traits.

Also, this process helps provide a broader understanding of a person's genetic makeup before narrowing down to the level of biological sex. In addition to this, the information acquired from assessing one's biological ancestry may hint towards specific inherited genetic conditions and traits, forming a more comprehensive health profile.

Learn more about Biological Ancestry and Sex here:

brainly.com/question/15427297

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