Musculoskeletal
What supports our body?
Skeleton (bones)
Brain
Root & Shoot
What tool is used to begin the dissection?
Scalpel
What makes us perform movements?
Muscles
The 2 systems that this system is divided into:
Central Nervous System and Peripheral Nervous System
What is photosynthesis?
Plant's way of making food. Takes in CO2, Sunlight, and water to make glucose and O2
What do the crop and gizzard do in an earthworm and what structure is similar in humans?
Crop - stores food -- Gizzard - grinds food
Similar to a human stomach
What are the opposing forces that move our muscles?
Contraction (Flexion) and Relaxation (Extension)
WHy do we take our hand off of a hot stove?
Our thermoreceptors send a signal to our brain that it is hot and our brain responds by removing our skin from the hot surface.
What is the opposite of photsynthesis?
Cellular respiration
What is dorsal vs ventral in an earthworm?
top vs bottom
What is the difference between fast twitch and slow twitch muscle fibres?
Fast - precision, explosive, powerful movements
Slow - Stability
How does an epidural work?
The needle inserted into the spine blocks the signals from the lower body that are trying to connect with the brain and vice versa. Therefore, pain is not felt while the block is in place and the use of the muscles below the injection point are also not in use.
Rings show you how old a tree is, how are these rings made?
Specialized xylem laid down by the lateral meristem each spring creating a "barrier" and the growth each year is represented by the space between each ring.
How can you externally tell a female frog from a male frog?
F - pad on center of 'palm'
M - pad on 'thumb'
What is the difference between tendons and ligaments?
T - connects bone to muscle
L - connects bone to bone
Explain how we hit a baseball with a baseball bat:
Visual stimuli (ball incoming) sends information to the brain - brain interprets the location, speed, and path of the ball - brain sends signals to the muscles to contract and move to swing bat to hit the ball
What is the difference between the palisade and spongy mesophyll layers and why?
Palisade - tightly packed for maximum light absorption
Spongy Mesophyll - loosely packed to allow flow of gasses
What is the name of the structure in a worm that is similar to human arteries?
Ventral Blood Vessels