The answers include the following:
- The respiratory system gave the cells more oxygen via breathing to perform various activities.
- The endocrine system released hormones such as adrenaline to activate chemical changes and stay alert.
- The nervous system carried electrical impulses necessary for the contraction and relaxation of muscles.
- The bones and muscles worked together to ensure adequate movement.
<h3>What is Musculoskeletal system?</h3>
This is the system which comprises of bones, ligaments etc and ensure that the body system has a rigid structure.
It also ensures organisms are able to move from one place to another in search of food and for their survival.
Read more about Musculoskeletal system here brainly.com/question/4300043
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Soil Rocks??????????????
I Am NOT SURE So Look At Other Answers
The correct option is B.
Chromosomes can be classified as either homozygous or heterozygous based on the similarities between two alleles. A homozygous chromosome refers to a chromosome that have identical alleles on both homologous chromosomes. When the trait is dominant, it is represented by two capital letters; when the trait is recessive, it is represented by two lower case letters.
I think C since they share valence electrons
