Where are blood cells made?

In the bone marrow of the long bones

What is the difference in a physical and chemical change?

chemical change creates a new substance

All of the following are functions of the skeletal system except...

Transport oxygen throughout the body

What is the job of the villi in the small intestine?

provide greater area for absorption

What type of cell is a neuron?

brain cell that carries impulses

What happens to an egg if it is not fertilized?

the body expels it during menstration

process that uses oxygen to release energy from food

What is the purpose of the valves in the heart?

to keep blood flowing in one direction

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7th Grade Science: Human Body Review

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Review for 7th grade human body test

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Questions 16

Answers

1
Where are blood cells made?
In the bone marrow of the long bones
in the blood
They come from other cells
They are not replaced
2
What is the difference in a physical and chemical change?
they are the same
chemical change creates a new substance
physical change creates something new
3
What type of digestion occurs in the mouth with the teeth?
none, digestion starts in the stomach
Chemical Digestion
What is digestion?!
Mechanical Digestion
4
What is a gamete?
brain cell
sex cell
body cell
muscle cell
5
All of the following are functions of the skeletal system except...
Transport oxygen throughout the body
Make blood cells
Provide support for the body
Protect internal organs
6
What is the job of the villi in the small intestine?
to pick out unwanted materials
to move food through the system faster
provide greater area for absorption
7
The skin is part of what system?
Integumentary
Circulatory
Muscular
Nervous
8
What is a vaccine?
All are correct
it helps the body fight certain diseases
it keeps the recipient from getting the disease
it helps the body recognize diseases as threats
9
What type of cell is a neuron?
brain cell that carries impulses
part of the blood
something I don't have
cell of the immune system
10
What happens to an egg if it is not fertilized?
the body expels it during menstration
not my problem I'm a boy
it disolves
it stays in the uterus
11
The joining of the egg and sperm cells is know as...
cremation
fertilization
weird
ovulation
12
The purpose of the excretory system is to eliminate waste, what other system acts the same?
Reproductive System
Respiratory System
Muscular System
Nervous System
13
How much blood do the Kidneys filter?
1/4 of it
Half of it
All of it
None of it
14
What is respiration?
breathing in
breathing out
process that uses oxygen to release energy from food
15
What gases are exchanged in the capillaries?
Oxygen and hydrogen
No gases are exchanged here
Oxygen and Carbon Dioxide
Oxygen and nitrogen
16
What is the purpose of the valves in the heart?
to keep blood flowing in one direction
noting they are just an extra part
IDK
no one cares

7th Grade Science: Human Body Review Flashcards | StudBud