Biological Systems Review

Which characteristic is shown in the image?

Which characteristic is shown in the image?

Which characteristic is shown in the image?

Which characteristic is shown in the image?

A group of two or more tissues that work together is called a(n):

The purpose of the ____________ system is turn the food you eat into something useful for the body.

The system containing the hair, skin, nails and exocrine glands.

It acts as a barrier against disease, as a temperature regulation system and as a waterproofing system to prevent dehydration.

When your body comes in contact with a sharp object, an impulse sent you your brain triggers a reflex that causes you to move away from the object. What body systems are interacting to cause this response?

Olympic sprinters undergo increased heart and breathing rates while competing. Which of the following best describes the interactions among systems of a sprinter?

Kidneys are part of the excretory system in a human body. They purify the impure blood and send it back to the rest of the body. Which system is mainly responsible for the transport of plasma to the kidneys?

What 2 systems: Absorb and deliver the digested nutrients to the cells

What 2 systems: Transports white blood cells throughout the body to fight disease

What 2 systems: Allow organs to contract and push food through

When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.

When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. 

If the calcium in your blood decreases below homeostasis levels, a gland in the brain will sense the decrease and send a chemical message to your bones. Your bones will release calcium into the blood, bringing blood calcium levels back up. This is an example of what type of feedback?

As you get dehydrated, your blood becomes thicker and harder to pump. Your kidneys will respond by stopping urine production, sending the water from urine into your bloodstream to thin your blood back to normal level. This is an example of what type of feedback?