all science 1st semester Flashcards
- Know the difference between a graduated cylinder and a beaker
A graduated cylinder is taller and a beaker is bigger around and measures 1 cup.
- Lab - Temperature and Enzyme
- What happens when your blood vessels widen?
The blood vessels near the skin widen when you are over heated. They do this because the parts of your body away from the center are cooler. When the blood comes back into the center, it is cooler.
- Notes - ThinkBank, Marathon movie, Biosnippet (creepy guy in underwear) HOMEOSTASIS
- The Independent variable our experiment with the potato was….
The water temperature
- Lab - Temperature and Enzyme
- Describe the life cycle of an epidermal cell.
Epidermal cells that were made in the basal layer gradually are pushed up towards the surface of the skin over the timespan of about 2 weeks. When they are at the surface they die and fall off, and might become part of the dust in your house.
- CLF - Skin
- Skin cells produce ________ which helps your digestive system absorb calcium.
Vitamin d
- WKST-Skin
- Where is the basal layer located and what is in it?
The basal layer is underneath the dead skin cells in the epidermis. It is where new cells are made.
- CLF - Skin
- When the body temperature becomes abnormally high, thermoregulatory homeostasis is maintained by….
An increase in sweat gland activity and an increase in blood-flow to the skin
- IHM - Skin Questions
- The equation that breaks down hydrogen peroxide is a(n) _________ equation in our potato experiment.
Decomposition
- Lab - Temperature and Enzyme
- How does the skin help regulate body temperature?
By allowing body temperature to change when the weather becomes warmer or cooler.
- Notes - ThinkBank, Marathon movie, Biosnippet (creepy guy in underwear) HOMEOSTASIS
- Hair and nails are composed mainly of…
Keratin
- Fat is one kind of _____ tissue.
Hypodermis
- Skin and Acne Brainpop
- The layer of skin that contains blood vessels is the…
Dermis
- WKST-Skin
- For a cell to move from the basal layer to the top layer of the epidermis takes approximately ________.
2 weeks
- WKST -Skin
- What is below the dermis?
Hypodermis
- CLF - Skin
- What muscle comes off of the sebaceous gland?
Arrector pili muscle
- CLF - Skin
- The protein that helps protect the skin and the underlying tissue is…
Melanin
- WKST-Skin
- In our experiment, the independent variable was the…
temperature
- Lab - Temperature and Enzyme
- When muscles receive messages from the nervous system, they…
contract and shorten
- WKST - The Muscular System
- glucose + oxygen –> carbon dioxide + water + energy
The equation above is…
cellular respiration
- Lab - Temperature and Enzyme
- You have new skin cells after about…
Two weeks
- IHM - Skin Questions
- Place the following parts of the skin in order, from innermost to
outermost: A) Dermis; B) Epidermis; C) Hypodermis
C. A. B.
- CLF - Skin
- How does the skin help regulate body temperature?
by enabling excess heat to escape from the body through dilated blood vessels
- Notes - ThinkBank, Marathon movie, Biosnippet (creepy guy in underwear) HOMEOSTASIS
Did not miss any
Fall notebook - Pg 07, 09.
- What must you do before you make a hypothesis?
Make an observation
Pg. 6 – FN
- The fourth bone in your finger (closest to your wrist) is a(n) ______.
metacarpal
Pg. 4 – FN
- When you make a testable statement about what you think will happen in an experiment that is, you are making a/an ______
hypothesis
Pg. 6 – FN
- What must you do before you make a hypothesis?
Make an observation
Pg. 6 – FN
- The fourth bone in your finger (closest to your wrist) is a(n) ______.
metacarpal
Pg. 4 – FN
- When you make a testable statement about what you think will happen in an experiment that is, you are making a/an ______
hypothesis
Pg. 6 – FN
- When you make a testable statement about what you think will happen in an experiment that is, you are making a/an ______
hypothesis
Pg. 6 – FN
- What must you do before you make a hypothesis?
Make an observation
Pg. 6 – FN
- The fourth bone in your finger (closest to your wrist) is a(n) ______.
metacarpal
Pg. 4 – FN
Did not miss any
Fall Notebook - 09. Cellular Biology
What does the pituitary gland produce?
antidiuretic hormone
- Which muscle allows you to extend your head?
Trapezius
- CLF - Exterior Muscle of the Body
- A vertical group of adjacent cells in a spreadsheet is a ______.
Column
- Notes - Cellular Biology
- What’s the difference between a hypothesis and a theory?
Theories have been confirmed through tests; hypotheses haven’t.
- Wright 3, CSI, and Rear Window
- What are some of the attitudes of a good detective?
A scientist is caring, creative, open-minded, honest, skeptical, and curious.
- Notes - Wright 3, CSI, and Rear Window
- What part(s) of a microscope forms an enlarged image of a specimen?
The objective lenses
- Microscope Usage
- Why are the specimens usually very thin slices of material?
The thinness allows light to pass through, which makes the specimen visible.
- Microscope Usage
- What on the microscope is used for focusing in low power?
Coarse adjustment knob
- Microscope Usage
- What is used for focusing in high power?
Fine adjustment knob
07 - Microscope Usage
- What part of the cell is involved in making protein?
Ribosomes
- What controls the amount of light passing through a specimen?
Diaphragm
- What on a microscope revolves to allow you to switch objectives?
Rotating nosepiece
- What contains the ocular lens on the microscope?
Eyepiece or body tube
- What happens if the core body temperature is too high?
blood vessels supplying the the capillaries dilate
**
- Mary has finished eating a large meal. her blood is being flooded with sugar from this meal. How does her body prevent her blood sugar from going too high?
her pancreas will secrete insulin. Insulin will cause the sugar to move in to body cells form the blood
***
- What unit of organization is represented by nervous tissue?
Tissue
Fall notebook: 11. WKST - Body Organization and Homeostasis
- The Sagittal Plane is…..
segments the body in to a distinct right and left
***
- What is an organ?
An organ is made up of different tissues working together.
- WKST - Body Organization and Homeostatis
- High fever during an illness is part of which feedback?
positive
**
- How does a urinary system get rid of chemical waste?
By flushing them out of the body
- Notes - ThinkBank, Marathon movie, Biosnippet (creepy guy in underwear) HOMEOSTASIS
- Which plane separates the top of the body from the bottom?
Transverse plane
Fall notebook; 14. Anatomical Planes and Sections
- Is a dog panting in the hot sun an example of positive or negative feedback?
Negative
Fall notebook: 17. Notes - ThinkBank, Marathon movie, Biosnippet (creepy guy in underwear) HOMEOSTASIS
- Distal means…
Further away from the trunk
- Notes - Phi, Fibonacci Sequence, and Golden Rule in Nature
- Which plane separates the front of the body from the back?
- The frontal plane
Fall notebook; 14. Anatomical Planes and Sections
- The transverse plane…
Separates the top from the bottom
- Anatomical Planes and Sections
- Is the following statement true or false?
The organs of the endocrine system produce chemical messengers called enzymes.
False - hormones
- Notes - ThinkBank, Marathon movie, Biosnippet (creepy guy in underwear) HOMEOSTASIS
- What happens if the core body temperature is too high?
Blood vessels supplying the capillaries dilate
Fall notebook: 17. Notes - ThinkBank, Marathon movie, Biosnippet (creepy guy in underwear) HOMEOSTASIS
- What organ system supports the body, protects the vital organs and makes blood cells?
- Skeletal system
Fall notebook: 15. Body Systems
- Know the planes.
- See Fall notebook; 14. Anatomical Planes and Sections
- What is a tissue?
A group of similar cells working together to perform a specific function
- What organ system supports the body, protects the vital organs and makes blood cells?
organ
*
- Because the body’s balance fluctuates within limits, what is homeostasis also called?
dynamic equilibrium
**
- Sweating and shivering are two responses in which feedback?
Negative
Fall notebook: 17. Notes - ThinkBank, Marathon movie, Biosnippet (creepy guy in underwear) HOMEOSTASIS
- Which plane separates the left half of the body from the right?
Sagittal
Fall notebook; 14. Anatomical Planes and Sections
- Where is the muscle that extends or straightens the forearm?
On the upper arm, just above the elbow joint
- CLF - Exterior Muscles of the Body
- What is the kite shaped muscle?
Trapezius
- CLF - Exterior Muscles of the Body
- Where are the straplike muscles used to extend or straighten the leg located?
On your stomach, your abs
- CLF - Exterior Muscles of the Body
- What kind of muscle is on the top of the upper arm of the chicken wing?
flexor
- Lab - A Look Beneath the Skin
- What allows the head to rotate and the neck to flex?
The sternocleidomastoid (NOT the trapezius)
- CLF - Exterior Muscles of the Body
- What is the muscle on the top of the shoulder on the chicken?
triceps branchii, extensor
- Lab - A Look Beneath the Skin
- Where is the triangular muscle that moved the arm away from the center of the body?
On your shoulder (deltoid)
- CLF - Exterior Muscles of the Body
- What type of muscle has many nuclei and is not striated?
smooth
- CLF - Exterior Muscle of the Body
- Where is the latissimus dorsi located?
In your back
- CLF - Exterior Muscles of the Body
- The area below the wrist is the…
lower arm
- Lab - A Look Beneath the Skin
- What is the muscle in the middle of the shoulder on the chicken wing?
Triceps branchii, flexor
- Lab - A Look Beneath the Skin
- What muscle raises the shoulders?
Trapezius
- CLF - Exterior Muscles of the Body
- Where is the gastrocnemius located?
On your lower legs, behind your shins
- CLF - Exterior Muscles of the Body
- Muscle tissue ________ to make body parts move
contracts
- CLF - Exterior Muscle of the Body
- Skeletal muscles must work in pairs because……
muscle cells can only contract
- Lab - A Look Beneath the Skin
- What kind of muscle is on the bottom right of the upper arm of a chicken wing?
extensor
- Lab - A Look Beneath the Skin
- Where is the zygomaticus?
beside the nose, coming off of the obiculus oris.
- CLF - Muscles of the Head
- What is a muscle used to extend or straighten the leg?
Quadriceps femoris
- CLF - Exterior Muscle of the Body
- Where is the muscle contracts so that you can bend your leg at the knee?
The posterior muscle on your thigh
- CLF - Exterior Muscle of the Body
- Where is the rectus abdominis?
On your stomach, your abs
- CLF - Exterior Muscles of the Body
- Where is the quadriceps femoris located?
In the upper leg
- CLF - Exterior Muscles of the Body
- Where is the muscle that provides support for the abdomen and its many organs?
On your stomach, your abs
- CLF - Exterior Muscles of the Body