Search results for: 'homeworkclinic.com Homework Clinic HWC active processes passive processes Vesicular transport Active transport Simple diffusion Facilitated diffusion Osmosis concentration gradient bilayer'

Watch Later 3:05

By: HWC, Views: 7125

• Inflammation is an immune response that can occur anywhere in the body, but is observed most frequently on the skin. • It provides early protection by preventing infection from spreading to other parts of the body. • Inflammation also promotes repair of damaged tissues. Inflammat...

Watch Later 3:10

Plant Defense Mechanisms from Pathogens

By: HWC, Views: 6097

Plants and pathogens have coevolved such that pathogens can recognize plants by the sugars, or other molecules, they produce. Plants, in turn, can recognize pathogens by the molecules they produce. The ability to recognize pathogens allows plants to activate defense systems that can prevent wides...

Watch Later 3:37

Stroke volume

By: HWC, Views: 6654

Preload definition • Preload is the degree of stretch of cardiac muscles cells prior to contraction. • The amount of stretch is related to the end-diastolic volume[EDV]. • Increased return blood flow from the veins increases end-diastolic volume. Cardiac muscle sarcomeres stretch and ...

Watch Later 3:14

Mendel's Pea Experiment

By: HWC, Views: 6062

Sugar snap peas were common garden plants during Mendel's lifetime and many varieties undoubtedly grew in the abbey gardens. An avid gardener. this is where Mendel first made observations about pea plants. He noticed that certain characteristics of peas were passed from generation to generation. ...

Watch Later 3:42

Photosynthesis and Van Helmont Experiment

By: HWC, Views: 5928

All energy on Earth comes from a star, the Sun. Light must travel 160 million kilometers to reach Earth where plants capture this light energy and convert it to chemical energy in the form of sugars. This biochemical process is called PHOTOSYNTHESIS. The summary equation for photosynthesis is ...

Watch Later 1:55

Metabolic Rate, Heat and Thermoregulation - response to heat and cold stresses

By: HWC, Views: 6868

• A neuron group in the anterior portion of the hypothalamus controls heat balance. • Neurons in the preoptic region of the hypothalamus integrate signals that come from thermoreceptors. • The temperature control center in the preoptic region propagates control signals to two other part...

Watch Later 3:29

Blood Flow through the Human Heart

By: HWC, Views: 6423

The heart is the pump of the human circulatory system. The left side of the heart has two connected chambers, the left atrium and the left ventricle. The right side of the heart also has two connected chambers, the right atrium and the right ventricle. These two sides, or pumps, of the heart are ...

Watch Later 2:55

How proteins function? How do proteins work?

By: HWC, Views: 6276

How proteins function is really about how proteins "do work" in cells. How do proteins work? Let's start thinking about protein function by looking at something important to you: your hair. Keratin is a structural protein that is composed of 2 intertwined or helical strands. Keratin is also f...

Watch Later 4:35

Regulation of GFR: autoregulation via myogenic mechanism Myogenic mechanism

By: HWC, Views: 8132

• GFR can be regulated by adjusting: • Blood flow in and out of the glomerular capillaries. • Surface area of glomerular capillaries. • There are three main ways to make these adjustments: • Renal autoregulation. • Nervous regulation. • Renal autoregulation occurs when...

Search Results