WebJun 8, 2024 · Organisms that live in water also need a way to obtain oxygen. Oxygen dissolves in water, but at a lower concentration in comparison to the atmosphere, which has roughly 21 percent oxygen. … WebSkeletal System. The skeleton of bony fishes is made of bone and cartilage. The vertebral column, cranium, jaw, ribs, and intramuscular bones make up a bony fish's skeleton. The skeleton of a bony fish gives structure, provides protection, assists in leverage, and (along with the spleen and the kidney) is a site of red blood cell production.
What are the similarities and differences of a fish
WebFish live under water and collect oxygen from the water. Humans live on land and we get oxygen from the air in the atmosphere. Humans can go underwater but we have to hold our breath. We can only hold our … WebGas exchange between tissues and the blood is an essential function of the circulatory system. In humans, other mammals, and birds, blood absorbs oxygen and releases carbon dioxide in the lungs. Thus the circulatory and respiratory system, whose function is to obtain oxygen and discharge carbon dioxide, work in tandem. css text muted
Animal Circulatory System - Frog, Fish & Earthworm
WebApr 24, 2024 · Frogs are amphibians and have a closed circulatory system. Unless there is an abnormal mutation present, frogs only have one heart to pump blood throughout the body. A frog has a three-chambered heart. … Webhuman and the counter current exchange of fish. These energy costs are necessary for efficient gas exchange, and to support the metabolic rate of the animal and ultimately its survival. Therefore each animal has a gas exchange system adapted to its habitat. An external gas exchange system would not be suitable for land animals as the moisture … WebThe digestive system. The digestive system, in a functional sense, starts at the mouth, with the teeth used to capture prey or collect plant foods.Mouth shape and tooth structure vary greatly in fishes, depending on the kind of food normally eaten. Most fishes are predacious, feeding on small invertebrates or other fishes and have simple conical teeth … css text nicht markierbar