Which statement best describes organs in an organ system?

Each organ does part of a larger job.

What is the relationship between the circulatory and respiratory systems?

supply oxygen to tissues and rid the body of carbon dioxide.

Why are some protists classified as plantlike?

They have chlorophyll and cell walls.

What can be inferred if a trait is carried by a dominant allele?

The trait often appears in every generation.

Marc eats a healthy diet. Test results show a vitamin deficiency. ___ & ___ are likely not working properly.

digestive & excretory systems, vitamins aren't absorbed from the food

Which statement describes the offspring that result from asexual reproduction in single-celled organisms?

The offspring have an exact copy of the parent’s genes.

Which pathway summarizes the hierarchy of structures within multicellular organisms?

cells → tissues → organs → organ systems → organism

Which phrase best summarizes the function of the endocrine system?

use of hormones to regulate body processes

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Life Science Review (Human Body Systems NC7L1&2)

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Microbiology, Cell hierarchy, Human body systems, and Genetics.

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Questions 20

Answers

1
Muscle cells come together to form the myocardium. Which term best describes the myocardium?
tissue
organ system
organ
organism
2
Which statement best describes organs in an organ system?
Each organ is made up of only one kind of cell.
Each organ is capable of doing every part of a larger job.
Each organ can perform only one function.
Each organ does part of a larger job.
3
What is the relationship between the circulatory and respiratory systems?
respiratory syst. provides blood circulatory syst. uses to move nutrients
store the waste that blood collects from the body
circulatory syst. provides O2 the respiratory syst. uses to fill the lungs
supply oxygen to tissues and rid the body of carbon dioxide.
4
Why are some protists classified as plantlike?
They must have water in order to survive.
They have eyespots and chlorophyll.
They grow towards the sun.
They have chlorophyll and cell walls.
5
What can be inferred if a trait is carried by a dominant allele?
The trait is often hidden in most of the offspring.
The trait often skips a generation.
The trait is often hidden in the parent organisms.
The trait often appears in every generation.
6
Which term describes how the nervous and endocrine systems work together to create balance within the human body?
equilibrium
instability
external function
homeostasis
7
Marc eats a healthy diet. Test results show a vitamin deficiency. ___ & ___ are likely not working properly.
respiratory & digestive systems, exchange ofoxygen & CO2 is beng affected
digestive & excretory systems, vitamins aren't absorbed from the food
digestive & nervous systems, vitamins aren'tcarried to the right place
respiratory & circulatory systems, vitamins are being released as waste
8
Two tall plants (homozygous dominant) are crossed. What are the expected phenotypes of the offspring?
all short plants
all tall plants
one tall plant and the rest short plants
some tall plants and some short plants
9
Which level of organization is more complex than the grouping of tissues into an organ?
cell
organ system
atom
organelle
10
How do a group of organs work together to perform a specific job?
as an organ system
as a tissue
as an organism
as a cell organelle
11
Which situation involves the endocrine and reproductive systems?
the release of an egg cell
clotting at the site of a cut
the removal of nutrients from a recently eaten meal
breathing in germs
12
Which organelle controls the main functions of a cell?
ribosome
cytoplasm
mitochondria
nucleus
13
Which basic function of life is demonstrated when an organism maintains internal stability as the environment changes?
budding
growth
metabolism
homeostasis
14
Which statement describes the offspring that result from asexual reproduction in single-celled organisms?
Offspring are related to parent, but have a unique combination of genes.
The offspring have an exact copy of the parent’s genes.
Offspring are unrelated to parent and have a unique combination of genes.
Offspring have genes from each of two parents, making a unique combination.
15
What would go into the empty Punnett square?
XxXxXxXxXxXxXx
XX
Xx
xx
16
Which body system pulls on the bones of the skeletal system to allow movement?
excretory
muscular
digestive
respiratory
17
Which term best describes the heart?
organ
tissue
cell
organ system
18
Which pathway summarizes the hierarchy of structures within multicellular organisms?
cells → tissues → organs → organ systems → organism
organism → cells → tissues → organs → organ systems
organ systems → organism → cells → tissues → organs
organs → organ systems → organism → cells → tissues
19
Which phrase best summarizes the function of the endocrine system?
use of hormones to regulate body processes
disposal of dissolved waste gases & particles
movement of substances to and from cells where they are needed or produced
creation of the force that enables the body to move
20
2 brown-eyed dogs have puppies. 4 puppies have browneyes, but 1 has blue eyes. The parentgenotypes are most likely ___.
Both parents are homozygous dominant.
Both parents are homozygous recessive.
Both parents are heterozygous.
One parent is heterozygous, while one is homozygous dominant.

Life Science Review (Human Body Systems NC7L1&2) Flashcards | StudBud